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Specs are compiled from manufacturer listings and verified buyer reviews and can change over time — please confirm the key details on the product page before buying.

You want a fast gas grill on a Tuesday and real charcoal smoke on a Saturday, without buying two machines. The pick that does both best is the Char-Griller Dual-Function: 405 ratings and the biggest cooking surface here at 870 square inches. Want to spend less, or get a built-in offset smoker instead? The list below covers those too.

I’m Mohammad Maruf — the founder and writer behind KitchPrep. This guide is built by comparing the manufacturers’ published specifications and the patterns across verified customer reviews, so you get each pick’s real strengths and trade-offs instead of marketing spin.

These combo grills are compared below by cooking area, total burner output, and how easy each one is to live with. Every pick here runs gas and charcoal in one cart, and the right one for you depends on how much grate space you actually need — so read on for the best barbecue grill combo.

Our Picks at a Glance

Char-Griller® Dual-Function 2-Burner 24,000 BTU Propane Gas and Charcoal Combination Grill and Smoker with 870 Cooking Square Inches in Black, Model E5030
Best OverallChar-Griller® Dual-Function 2-Burner 24,000 BTU Propane Gas and Charcoal Combination Grill and Smoker with 870 Cooking Square Inches in Black, Model E50304.6★405 ratingsThe biggest grate here at 870 square inches, run on two fuels by one push-button ignition.Check Price on Amazon
ZH3005 2-Burner Gas and Charcoal Combo Grill Black
Best ValueZH3005 2-Burner Gas and Charcoal Combo Grill Black4.1★310 ratingsCooks up to 30 burgers at once and still finds room for a side of onions.Check Price on Amazon
Royal Gourmet ZH3002N 2-Burner Propane Gas and Charcoal Grill Combo
Best for Small SpacesRoyal Gourmet ZH3002N 2-Burner Propane Gas and Charcoal Grill Combo4.0★144 ratingsThe closed-cabinet cart that hides your propane tank and still cooks 30 burgers. This one is built to keep your patio tidy.Check Price on Amazon

How To Choose The Best Barbecue Grill Combo

A combo grill puts two separate cooking systems on one cart: a propane side for fast, dial-controlled heat, and a charcoal side for smoke and sear. That means you shop for two grills at once, and the numbers that decide whether you will love it are the ones you check before you buy.

Cooking Area You Can Actually Fill

Every cart here lists a total cooking area in square inches, and that figure includes the warming rack, not just the main grates. A 690 square inch cart typically splits into 520 square inches of primary grate plus a 170 square inch warming rack. If you cook for four or fewer, that split is plenty. If you host a crowd, look at the 840 and 870 square inch models near the top of this list, because the charcoal side on a smaller combo fills up fast with burgers and corn.

Gas Burner Output And Real Sear Heat

BTU, short for British thermal unit, is simply a measure of how much heat a burner can put out. On the gas side, more BTUs means the grate comes up to searing temperature faster and recovers quicker after you flip. A two-burner side rated at 24,000 BTU and a three-burner side rated at 37,000 BTU both get hot, but the three-burner rigs let you run one zone screaming hot for steaks while a second sits low for ribs. Match the number to your cooking, not to the spec sheet. A two-burner unit is fine for a couple or a small family.

The Charcoal Side: Ash, Air, And Adjustment

The charcoal half is where flavor lives, and it is also where the daily hassle lives. Look for a height-adjustable charcoal pan, which lets you raise the coal bed toward the food for a hot sear or drop it for slow indirect heat. A slide-out ash tray makes cleanup a two-minute job instead of a scooping session. Dampers, the sliding vents on the lid and body, control how much oxygen reaches the fire, so more open means a hotter flame. If a cart gives you adjustable pan height plus dampers plus an ash pan, you have real control over the charcoal side.

Quick Comparison

Model Best For Total Cooking Area Gas Output Side Burner / Smoker Amazon
Char-Griller Dual-Function E5030★ Best Overall Big cookouts on two fuels 870 sq. in. 24,000 BTU, 2 burners Side burner Amazon
ZH3005 2-Burner ComboBest Value Cooking sides while you grill 823 sq. in. 34,000 BTU, 2 burners + side 10,000 BTU side burner Amazon
Royal Gourmet ZH3002NBest for Small Spaces Hiding the tank behind doors 759 sq. in. 10,000 BTU Amazon
GREEN PARTY 3-Burner Combo Zone cooking on a mid-size cart 685 sq. in. 37,000 BTU, 3 burners + side Side burner Amazon
Captiva Designs Combo A griddle surface plus two fuels 690 sq. in. 11 KW, 3 burners Side burner Amazon
Sophia & William Dual Fuel Even heat across a big grate 690 sq. in. 28,650 BTU, 3 burners 8,530 BTU side burner Amazon
Sophia & William Offset Smoker Gas grilling plus real smoking 840 sq. in. 30,000 BTU, 3 burners 141 sq. in. offset smoker Amazon
Oklahoma Joe’s Canyon Combo Low-and-slow plus fast weeknights 1,031 sq. in. 36,000 BTU, 3 burners 281 sq. in. firebox grate Amazon

In‑Depth Reviews

★ Best Overall

1. Char-Griller® Dual-Function 2-Burner 24,000 BTU Propane Gas and Charcoal Combination Grill and Smoker with 870 Cooking Square Inches in Black, Model E5030

Our pick — over 4.5★ from 400+ verified ratings; the strongest balance of quality and price.

870 sq. in.24,000 BTU

The biggest grate here at 870 square inches, run on two fuels by one push-button ignition.

The gas half runs on two stainless steel burners producing 24,000 BTU, which is enough to hit searing heat on one side while you keep a gentler zone going elsewhere. Push-button electronic ignition lights the gas side, and an EasyDump ash pan means you empty the charcoal tray without pulling on gloves.

You can watch each fuel side on its own, because two separate temperature gauges read the charcoal bed and the propane burners independently. The porcelain-coated cast iron grates (cast iron with a glass-like coating baked on) hold heat for a solid sear and shrug off a full season of cooking. A side shelf with utensil hooks gives you a spot to set a tray, and the cart frame wears a powder coated finish that buyers describe as “heavy, sturdy” and thick gauge for the price.

What owners rave about most is the sheer build quality, and it tracks with the weight — this is a substantial cart. Assembly splits opinion: some put it together easily, others find it takes real time, so plan for an afternoon and a second set of hands. Temperature control on the charcoal side runs hot, so you will spend more time managing vents than dialing knobs. That is the trade for real charcoal flavor.

Where it earns its keep

  • 870 square inches of total cooking area — the largest in this lineup, and roughly 15% more space than the Royal Gourmet ZH3002N’s 759 square inches
  • Push-button electronic ignition lights the gas side on the first press
  • EasyDump ash pan makes emptying the charcoal tray a quick job
  • Dual temperature gauges let you track each fuel side separately
  • Porcelain-coated cast iron cooking grates come included

What you trade for it

  • The charcoal side runs hot and takes active vent management to hold lower temperatures
  • Assembly can stretch past a single afternoon depending on your tools and help
  • Built for a stationary patio spot rather than moving around

Go for this if: you feed a crowd and want the largest low-cost cooking area across two fuels.

Think again if: you want dial-it-and-forget charcoal heat — this one rewards an attentive hand on the vents.

Best Value

2. ZH3005 2-Burner Gas and Charcoal Combo Grill Black

823 sq. in.34,000 BTU

Cooks up to 30 burgers at once and still finds room for a side of onions.

The 823 square inches of total cooking space breaks down neatly: 333 square inches for gas, 333 for charcoal, and a 157 square inch warming rack to keep finished food hot while the next round goes on. That is enough room for up to 30 burgers at the same time. Two stainless steel main burners push 12,000 BTU each, and the side burner adds another 10,000 BTU for a 34,000 BTU total, so you can boil a pot of corn while the main grates sear.

The charcoal side is where the thoughtful touches show up. A height-adjustable pan lets you raise the coals for a hard sear or drop them for gentler heat, and a smoke stack plus a side air vent give you control over airflow. Dual lid-mounted thermometers read each side live, so there is no guessing. A piezo ignition starts the gas burners without needing a battery, which is one less thing to replace mid-season. The heavy-duty cover that many pick up alongside it holds up in rain.

The recurring gripe here is assembly. Some owners fly through it in half an hour with no leftover screws, while others hit screw-alignment trouble that turns the afternoon into a slog. Owner consensus on the build itself is warm, and most describe it as extremely sturdy once it is finally standing. Set aside a full afternoon, work on a flat surface, and you will get through it.

The value read: You get three cooking surfaces — gas, charcoal, and a dedicated side burner (a small gas burner on the shelf for boiling corn or simmering sauce) — at a mid-range tier. The adjustable charcoal pan is what keeps the charcoal half genuinely usable instead of one fixed hot zone. What wins people over most is the overall build quality once assembled.

The honest catch: Assembly direction quality varies. If the parts bag looks intimidating on arrival, that is normal for this cart — the payoff is a grill that feels solid and stable on the patio.

Reach for it when: you want three cooking zones — gas, charcoal, and a side burner — without paying premium-cart money.

Look elsewhere if: assembling from scratch without help sounds miserable; the parts count on this one is real.

Best for Small Spaces

3. Royal Gourmet ZH3002N 2-Burner Propane Gas and Charcoal Grill Combo

759 sq. in.Ash tray + grease cup

The closed-cabinet cart that hides your propane tank and still cooks 30 burgers.

This one is built to keep your patio tidy. Twin doors on the bottom hide the tank and any supplies, and the cart rolls on two 6-inch wheels plus two 3-inch lockable casters (small swivel wheels you can lock in place), so you can tuck it into a tight patio corner and still pull it out to grill. Total cooking space is 759 square inches, split into 592 square inches of grates and a 167 square inch warming rack — enough to cook up 30 burgers at once.

Cleanup is the strong point. Slide out the ash tray and the charcoal side is done. Remove the large-capacity grease cup and grease tray and the gas side is done. Two side shelves with three hooks on each side hold tools and seasonings within reach, and the tank sits inside rather than hanging off the back, which cuts down on the visual clutter of a small deck.

Assembly takes real time on this one — several owners describe it as an hours-long job, and one noted the charcoal handle worked loose mid-cook, so it pays to tighten everything before the first fire. The cart also reads smaller than the picture suggests, which is ideal for balconies and small patios but tight once a big crowd shows up. Buyers drawn to it mostly cite the appearance and the contained design.

The appeal: It is one of the tidyest combos in this lineup — closed cabinet, hidden tank, tool hooks on both sides, and separate trays for ash and grease so neither cleanup job bleeds into the other.

The realistic trade: Plan on several hours with a wrench, and tighten every bolt past finger-tight before cooking. A cover is worth adding for a rig that lives outdoors.

Best fit: Smaller patios and decks where a clean, closed-cabinet look beats raw cooking area.

skip it if: you need to cook for a large gathering regularly — the grate space here fills up fast.

Best Zone Control

4. 3 Burner Propane Gas and Charcoal Grill Combo with Side Burner

37,000 BTU685 sq. in.

Three gas burners plus a side burner — sear on one end, simmer down the other.

Three separate gas burners and a side burner put out 37,000 BTU combined, which is the most burner output in this roundup. That matters because you can run one burner wide open for a steak and another at a whisper for sauce without dragging the whole grate up or down. The charcoal side pairs with a height-adjustable pan that you crank to set the distance between the coals and the food, and lid-mounted dampers plus a front air vent let you tune airflow without lifting the lid.

Total cooking space, warming racks included, comes to 685 square inches, and the grates are porcelain-enameled cast iron — a coating that resists rust and handles a hot fire better than bare steel. A grease tray funnels drippings into a removable cup, and an ash tray collects the charcoal debris. Both slide out, so cleanup is a two-part job you can do after the coals die. It shares the same porch-space-saving logic as the Captiva Designs cart: one grill where two would normally fit.

The honest note is that reliability of the gas side has its critics. Some cooks find the high setting only reaches medium, and a couple report hot spots unevenly across the grate. On the plus side, GREEN PARTY’s customer service gets consistent credit for shipping replacement parts quickly when something is wrong.

What stands out

  • 37,000 BTU across three main burners plus a side burner — the highest total gas output here
  • Crank-adjustable charcoal pan lets you dial heat without touching the fire
  • Lid dampers and front air vent control airflow while the lid stays closed
  • Porcelain-enameled cast iron grates resist rust and hold heat

Where it stumbles

  • A few cooks report the gas side tops out below a hard sear at the high setting
  • Assembly takes real patience; instructions are the weak link
  • Rust resistance on the hottest-exposed parts draws some complaints over time

Pick this one when: you want the most burner zones on the gas side and do most of your cooking on propane.

Pass if: you need a guaranteed screaming-hot sear from the gas burners alone — this one favors steady zone cooking instead.

Most Versatile

5. Captiva Designs Propane Gas and Charcoal Grill Combo with Side Burner, Black

690 sq. in.3-in-1 cooking

A 61-inch counter, three burners, and a griddle surface folded into one cart.

What sets this cart apart is the counter run: a 61-inch long cooking counter gives you working room on both sides of the fire, which is more surface than most combo grills carve out for prepping. The primary grate is 520 square inches of porcelain-enameled cast iron, backed by a 170 square inch stainless steel warming rack for 690 square inches total. The charcoal and gas sides are controlled independently, so you can run one, the other, or both.

The gas side runs on three stainless steel burners rated at 11 KW, and the enameled charcoal tray works alongside them. An adjustable design on the main grates gives you even heat, and the porcelain-enamel coating on both the cast iron and the tray is designed to resist rust and cracking when seasonally cared for. A tilting grease tray drains into a hanging grease box below, and a full-size slide-out ash tray catches the charcoal debris.

The 3-in-1 claim on the review page — gas, charcoal, and griddle — is what pulls people in, and it lives up to the versatility pitch. Where buyers run into trouble is packaging and fit: some report parts arriving dented from transit and a handful of bolt holes that need persuading. The cart is also smaller in person than the photos suggest, which suits a mid-sized family gathering but not a blowout.

The best feature here: That 61-inch counter is a genuine luxury on a combo cart, and the separate gas and charcoal controls let you run the two sides like two independent grills sharing one body.

One thing to know: Assembly is fiddlier than average, so give yourself a level surface and a partner. The payoff is a grill that many describe as sturdy and easy to clean.

Perfect for: cooks who want the griddle option and a long prep counter on one patio footprint.

Maybe not for: solo assemblers short on time — this cart rewards two pairs of hands.

Great for Families

6. Sophia & William Charcoal and Gas Grill Combo with Side Burner, Dual Fuel

28,650 BTU690 sq. in.

Three burners, a side burner for sauce, and an adjustable charcoal tray for the weekend smoke.

On the gas side, three stainless steel burners push 28,650 BTU, with a separate 8,530 BTU side burner that is genuinely useful for simmering BBQ sauce or sautéing vegetables while the main grates work. The charcoal side has its own adjustable tray and a crank handle, so you can tune heat without re-shoveling coals. Because the two sides run independently, you can hold different temperatures at the same time — that is the real reason to own a combo instead of one grill.

Cooking space totals 690 square inches, made up of 520 square inches of primary porcelain-enameled cast iron grate plus 170 square inches of stainless steel warming rack. The grates are built to resist rust and cracking, and the flame tamer under the gas zone spreads heat so you get fewer hot and cold spots. Cleanup is handled by a full-size removable ash tray for the charcoal side and a slide-out grease tray with a grab cup for the gas side. It runs on a standard 20 lb propane tank, and the hose and regulator are in the box.

The trade-off here is where the gas side spends its heat. Some buyers report the propane burners are slow to bring the grate up, topping out around 500°F and making a heavy sear a challenge. The charcoal side holds its own, and the perforated coal tray keeps a fair amount of ash back, so plan to empty it more often than you would an open tray. Owners who use it for family meals tend to love the even heat and the mobility from the heavy-duty casters.

Why families like it: Independent charcoal and gas controls, a dedicated side burner for sauces, and a 690 square inch surface mean burgers, veggies, and a simmering pot all happen at once.

What to accept: The gas side is a gentle heat source rather than a searing machine. If you want blackened crusts from propane alone, look elsewhere — this one shines for slow, even cooking.

Choose it if: you want independent fuel zones, even cooking, and a side burner for a family-sized cookout.

pass on it if: your idea of a good steak starts with a hard propane sear — the gas side here favors an even, moderate heat.

Best Smoker Combo

7. Sophia & William 3-Burner Gas and Charcoal Grill Combo with Offset Smoker

840 sq. in.Offset firebox

A gas grill, a charcoal grill, and a real offset smoker bolted into one 840 square inch rig.

You get 840 square inches of total cooking area, split so each zone does a different job: 568 square inches on the main surface, a 131 square inch warming rack, and a 141 square inch offset smoker (a firebox off to one side that burns coals and wood for real smoke). That main surface fits 30 burgers at once. The smoker is built into the cart rather than sold as a separate appliance, and that is what separates this from the Captiva Designs and Sophia & William cabinet carts, which rely on a side burner instead.

The gas half carries three stainless steel main burners at 30,000 BTU total and heats up quickly with steady temperature. The charcoal half runs a 3-level adjustable pan, so you can raise it for a hard sear or drop it for indirect smoking. The offset firebox works two ways: it smokes low and slow, and its side access door lets you feed charcoal and clear ash without lifting the cooking grate. Pull-out ash and grease trays handle both cleanup jobs without tipping the cart.

Where many offset smokers get awkward is the shuffle of moving coals and chasing temperature swings. Here the level adjustment and the firebox door go a long way toward removing that friction. Owners who have fired it up report food turning out great on the first cook, sturdy construction, and assembly that most managed without drama.

Big advantages

  • 840 square inches total, including a true 141 square inch offset smoker
  • 3-level adjustable charcoal pan lets you shift between sear and slow cook
  • Offset firebox has its own access door for feeding fuel and clearing ash without lifting the grate
  • Three stainless burners deliver 30,000 BTU total on the gas side
  • Pull-out ash and grease trays speed up cleanup

Room to know

  • The warming rack does not slide back when you open the lid, so you lift around it
  • Assembly takes real time, though most owners found it manageable
  • Offset smoking on charcoal takes practice to dial in low, steady temperatures

Best for: backyards that want real charcoal smoking built into a gas grill without buying two separate cookers.

Not the one if: you want a gas-first cart for fast weeknight meals — the smoker is the star here.

Crowd-Ready Pick

8. Oklahoma Joe’s Canyon Combo Dual Fuel 3-Burner Propane Gas and Charcoal Smoker and Grill with 1031 sq. in. Cooking Area in Black

1,031 sq. in.36,000 BTU

The largest footprint here — 1,031 square inches of cooking, smoking, and firebox grilling space.

If you want the most cooking area in one cart, this is it: 1,031 square inches total, with a 750 square inch primary surface that smokes up to two pork shoulders or grills up to 12 burgers. On top of that, the offset firebox adds a 281 square inch grate for up to 15 wings or six burgers, so you can smoke a brisket low and slow while the firebox runs as a second grill. A 36,000 BTU three-burner propane side heats quickly and holds even temperatures for weeknight cooking.

Temperature control on the charcoal side is handled by adjustable firebox and smokestack dampers, which manage both heat and smoke flow. The firebox door gives you a way to load fuel and stoke the fire without tearing the whole thing apart. Dual lid-mounted gauges read temps on both the smoker and the grill. The lid and body are painted steel with a high-temp finish meant to resist rust, and the firebox has a removable ash pan.

Two honest notes belong here. The smoker benefits from separately purchased seals and latches to keep smoke sealed tight, and a handful of owners mention paint blistering or rusting on the firebox after heavy use. Those are the exceptions, not the rule — the smoker’s performance is what wins owners over, and assembly is straightforward enough that most manage it in about an hour.

Where it wins: 1,031 square inches, a 36,000 BTU gas side, and a firebox that doubles as a second grill — this is the most capacity-driven cart here and it is priced like a premium smoker setup.

Where it needs care: To get the best smoke, plan to add seals and latches to the firebox, and keep the painted surfaces dry between cooks.

Pick it if: you want the biggest multi-zone cooker here and treat smoking as a serious hobby.

Pass if: you want a tidy, low-maintenance cart — this one wants a caring hand to age well.

Understanding the Specs

BTU And KW Output

BTU (British thermal unit) is how much heat a burner produces; KW (kilowatt) is the same thing measured in metric. A two-burner gas side rated at 24,000 BTU and a three-burner at 37,000 BTU both fire up a grill, but more output means the grate reaches searing temperature faster and recovers more quickly when you add cold food. Match the number to how you cook: a couple or small family rarely needs more than a two-burner cart, while a household that hosts often benefits from the extra zones. Higher output also means more fuel burned, so a bigger number is not automatically better for how you actually grill.

Ash Trays, Grease Cups, And Dampers

These three small parts separate a pleasant grill from a chore. A slide-out ash tray lets you dump the charcoal debris without scooping. A grease tray that funnels into a removable cup means the gas side gets wiped clean in minutes. Dampers — the sliding vents on the lid and body — control the airflow feeding the charcoal fire, so opening them lets in more oxygen for a hotter flame and closing them chokes it down for low-and-slow. Look for all three on any combo you consider, because they decide how much of your post-cook time is spent cleaning versus eating.

Porcelain-Enameled Cast Iron Grates

Porcelain-enameled cast iron is a cast iron grate with a glass-like coating fired onto it. The cast iron underneath holds heat for a solid sear, while the coating makes the surface easier to clean and adds protection against rust and cracking when you season and store the grill properly. It is not rust-proof — any chip or scratch in the coating exposes the iron underneath — so a grill cover and a quick oil after each cook help it last. Every pick in this guide uses these grates, which is why they all take a hot fire without warping.

Offset Firebox Vs Side Burner

Both bonus features add capability, but they do different jobs. A side burner is a small gas burner on the shelf next to the main grill — good for boiling corn, simmering sauce, or frying. An offset firebox sits off to one side of a charcoal chamber, and because it holds coals and wood, it produces real smoke that drifts across the meat. A firebox takes more patience and more tending than a side burner, but it gives you the low-and-slow flavor that a side burner cannot. Choose based on if you want a convenience burner or a genuine smoking setup.

FAQ

Do I really need a grill that runs both propane and charcoal?
Only if you cook two ways. Gas wins on a rushed weeknight — push a button, get heat, clean up in five minutes. Charcoal wins for weekend gatherings when you want smoke and a deeper sear. A combo puts both on one cart, so you stop choosing between them and use one grill instead of two on a small patio. If you only ever grill one way, a single-fuel grill will serve you better for less bulk and simpler upkeep.
How much cooking area do I actually need on a combo grill?
Total cooking area on these carts includes the warming rack, not just the main grate. A 690 square inch model typically splits into 520 square inches of primary grate plus a 170 square inch warming rack. For four people, that is generous. For eight or more, look at the 840 and 870 square inch models in this list, because the charcoal side on a smaller cart fills up fast once you add burgers, corn, and vegetables. Bigger is not always better if you rarely fill the grate — a large grill takes longer to come up to temperature and burns more fuel per cook.
Does the gas side need a battery or electricity to light?
Some do and some do not. Electronic ignition, which fires the burners with the push of a button, needs a battery to work. Piezo ignition, which you will find on some of the carts here, generates the spark mechanically, so there is no battery to replace mid-season. Either way, the gas side runs off a standard 20 lb propane tank, and most carts ship with the hose and regulator in the box.
How long does it take to assemble a dual fuel grill combo?
Plan for anywhere from an hour to a full afternoon, depending on the cart. Some owners put theirs together in about an hour, while others on the larger, more complex carts report it taking several hours across two sessions. The pieces count is the real variable — a full combo includes a cart frame, two cooking chambers, shelves, and a side burner or firebox. Lay the parts out, use a socket wrench rather than a screwdriver, and tighten every bolt past finger-tight before the first cook.
How do I keep my cast iron grates from rusting?
Porcelain-enameled cast iron resists rust better than bare cast iron, but it is not immune. The coating can chip, and once the iron underneath is exposed, moisture starts to work on it. After each cook, scrub the grates while they are still warm, then wipe a thin film of cooking oil across the surface. A cover keeps rain and dew off the cart between cooks, and storing the grill under a roof or in a shed helps more than anything else.
What is the difference between a side burner and an offset firebox?
A side burner is a small gas burner built into the shelf next to the main grill. It is a convenience feature — good for boiling water, simmering sauce, or frying. An offset firebox is a charcoal chamber attached to the side of the main cooking body, and because it holds coals and wood, it produces real smoke that drifts horizontally across the food. A firebox takes more tending and more fuel, but it delivers the low-and-slow flavor that a side burner simply cannot.
Can I use gas and charcoal on the same cook?
That is the point of a combo. Both sides run independently, so you can sear steaks on gas while burgers finish over charcoal, or hold food warm on gas while you smoke on the charcoal side. You just need to run them at the same time and split your attention between them. It is why combo grills take a bit more managing than a single-fuel grill, and why you want dual lid gauges so you can check both sides at a glance.
Do combo grills rust quickly?
It depends on the finish and the care. Most of these carts are built on alloy steel with a powder coated or high-temp painted finish, and painted steel will eventually show rust if it lives uncovered outdoors year-round. The parts that see the most heat — the firebox, the charcoal tray, the lid over the coal bed — take the worst of it. A cover, a wipe-down after cooking, and a dry storage spot between cooks will dramatically extend the life of any grill in this class.
Why do some combo grills run the charcoal side hotter than the gas side?
Charcoal produces an intense, radiant heat that is hard to throttle below a certain point — some customers note the charcoal side on certain grills staying above 400°F even with vents closed down. Gas gives you finer control because the burners turn down further. That is why the best combo grills give you an adjustable charcoal pan and dampers. The pan height controls how close the coals sit to the food, and the dampers control how much oxygen feeds the fire. Between the two, you have enough range to hit low-and-slow or a hard sear.

Final Thoughts: The Verdict

For most people, the barbecue grill combo that gets the mix right is the Char-Griller Dual-Function E5030. Its 870 square inches, dual gauges, and EasyDump ash pan make it the largest two-fuel cart here, and owners rate it 4.6 stars. If you want the most burner zones on the gas side for the money, the GREEN PARTY 3-Burner Combo gives you 37,000 BTU to work with. And for real smoking built into the cart, the Sophia & William Offset Smoker is the one to reach for.

How We Picked

We do not accept paid placement. Every pick is matched to a real buyer and a real use-case; we do not hands-on test units.

Sources & Methodology

Specifications: manufacturer listings and product documentation. Review insights: verified customer reviews, as of September 2026. Pricing: not shown on this page (it changes often); check the current price via the retailer link.

As an Amazon Associate, KitchPrep earns from qualifying purchases. This does not affect which products we feature.

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Mo Maruf

Mo Maruf

Founder

I am a dedicated home cook and appliance enthusiast. I spend hours in my kitchen testing real-world storage methods, reheating techniques, and kitchen gear performance. My goal is to provide you with safe, tested advice to help you run a more efficient kitchen.