How to Choose an Outdoor Gas Grill | Buy Right The First Time

Most buyers overthink this. The right gas grill for your patio depends on a handful of decisions that you can make in an afternoon. Fuel source first, then size for your household, then check the burners and materials. When you’re ready to compare specific budget models, our tested roundup of the best affordable outdoor grills on the market narrows the field for you.

Propane or Natural Gas: The First Decision

Your fuel choice locks in where the grill can live and how it gets fed. Propane runs off a portable tank, which makes it the flexible option — you can move the grill around the patio or take it to a tailgate. Natural gas hooks into your home’s gas line, so the grill stays put.

Here’s the catch: natural gas sounds convenient until you check your house. Most homes don’t have an exterior gas stub, and adding one means a licensed plumber and real money. Propane tanks are everywhere, swap at any hardware store, and need zero installation. Unless you already have a gas line where the grill will sit, propane is the practical default.

How Much Cooking Space Do You Actually Need?

Size the primary cooking surface to your regular guest count, not your Thanksgiving fantasy. Buying a monster grill for twice-a-year parties means wasting fuel and waiting longer to heat a huge box.

Here’s the sizing that buying guides consistently land on:

• 1–2 people: 250–400 square inches
• Family of four: 450–650 square inches
• Frequent entertaining (6+): 700+ square inches

Whatever size you pick, get at least two separate burners. Independent heat zones let you sear steaks on one side while chicken cooks slowly on the other — that’s how you get direct and indirect cooking from a single grill.

Heat Output, Searing, and Build Quality

BTU is the most quoted spec and the least useful one. A higher BTU number doesn’t mean a better grill — a heavy, well-insulated grill with modest BTUs often cooks more evenly than a thin one with a bigger flame. Look for the practical outcome instead: can it sear?

A grill that reaches at least 500°F handles searing duty. Beyond that, check the parts that survive years of weather and grease. Stainless steel bodies resist corrosion, cast-iron grates hold heat for crust, and flavorizer bars (also called heat tents or diffusers) spread heat evenly while shielding burners from drips.

Consumer Reports warns that the cheapest grills often cut corners exactly where you can’t see them — thin lids, flimsy carts, burners that rust through in two seasons. Spend your budget on build quality, not a big number on the box.

Choosing Your Grill: The Step Order That Works

Once fuel and size are settled, the rest falls into line. Walk through this sequence and you’ll land on a grill that matches how you actually cook.

1. Decide fuel first — propane for portability, natural gas only if you already have the hookup.
2. Pick freestanding for flexibility, or built-in if you’re building an outdoor kitchen.
3. Match cooking area to household size — don’t overbuy for occasional use.
4. Confirm two or more burners for zone cooking.
5. Ask about heat distribution — flavorizer bars or heat tents mean more even cooking.
6. Inspect materials — lid thickness, stainless steel, cast-iron grates, and overall stability.
7. Review the warranty and the brand’s service reputation before you pay.

The ground rules after purchase are simple: set the grill on a flat, stable surface, and keep kids away from the cooking area while it’s hot. Both Wirecutter and Good Housekeeping emphasize safety placement in their buying guidance.

The common mistakes are easy to name once you know them: buying on BTU alone, undersizing for your guest count, skipping zone cooking, ignoring whether your home even supports natural gas, and letting a thin warranty tell you what the inside is really made of. A cheap grill with a one-year warranty and a rust-prone burner frame is a bad deal at any price.