Stainless steel gas BBQ buying guide

Updated: 23 October 2026

You are comparing silver gas barbecues on amazon.co.uk for a UK patio that gets more drizzle than heatwaves. The titles say stainless, the photos gleam, and prices in this set run from £189.49 to £676.16. This stainless steel gas BBQ buying guide checks what the metal claim covers, whether a regulator is in the box, how to read burner shorthand, and whether enough people have reviewed the listing. The ten keepers are ranked on the stainless steel gas BBQ comparison. Work through the checks on the product page, then open that table when you want the set side by side.

Our top picks

Badge	Product	Steel on the listing	Fuel in the box	Burners	Note	Price	Offer
Best overall	CosmoGrill CosmoGrill Platinum 4+2	Stainless steel	37 mbar propane regulator and hose	4 main + 2 side	8.0	about £502.55	View offer
	CosmoGrill CosmoGrill Pro Deluxe 6+1	Mixed listing	37 mbar kit named, and also described as missing	6 main + 1 side	8.9	about £299.99	View offer
Best value	Onlyfire Onlyfire 2-burner	Stainless steel	Not named	2	7.7	about £189.49	View offer

Best overall

CosmoGrill CosmoGrill Platinum 4+2

8.0/10about £502.55

View offer

Rank 2

CosmoGrill CosmoGrill Pro Deluxe 6+1

8.9/10about £299.99

View offer

Best value

Onlyfire Onlyfire 2-burner

7.7/10about £189.49

View offer

On this page

1.Read the material lines, not the lifestyle photo
2.Check the fuel-in-the-box line
3.Decode burners and stated heat
4.Form factor and the review sample

Read the material lines, not the lifestyle photo

A silver lid in the photo is not a materials specification. On amazon.co.uk, rust-resistant stainless often means the burners, the firebox, or a shelf, while the hood is powder-coated steel painted grey. Stainless resists corrosion better than bare steel, though it is not rust-proof in coastal air or under a wet cover. If the listing never prints 304 or 430, trust only the parts the bullets name. A mixed build can still be a sound buy when the burners are stainless and you accept a painted hood. The Pro Deluxe (B07TN7QXR8) at £299.99 is that case: a painted hood and stainless burners can both be true. Cleaning with the grain is on the stainless steel gas BBQ maintenance page.

Check the fuel-in-the-box line

Patio barbecues in this set are built for a 37 mbar propane regulator, not a clip that suits every cylinder. A title that says gas BBQ does not put a hose in the box. The Pro Deluxe at £299.99 names a 37 mbar set and also says the regulator is not included, so the trolley price is not automatically the price of a first cook. Platinum and Yamara listings often include a 37 mbar kit. A Platinum 4+2 around £500 to £540 can look dearer and still arrive closer to ready. Onlyfire portables from £189.49 to £279.99 need the same line read. A butane clip, a Campingaz screw-on, or a 28–30 mbar fitting will not match a 37 mbar propane inlet. Which gas to choose is on the propane or butane page.

Testsieger

CosmoGrill CosmoGrill Platinum 4+2

8.0/10about £502.55

View offer

Decode burners and stated heat

Titles use 4+2 and 6+2, and the plus sign is not more steak space of the same kind. The first number is the main burners under the grate. The second is side burners for a pan. A 6+2 is the wider firebox, and those carts sit around £600 to £680, with the top keeper price at £676.16. No listing promises a headcount, because grate area still differs between models that share the shorthand. Take heat from the printed kW, and do not merge it with a wattage line that does not convert to the same total. If those two bullets disagree, leave the conflict rather than averaging them. A higher kW helps you keep a hot zone and a cooler one. It will not turn a light portable into a heavy trolley.

Form factor and the review sample

A portable and a trolley stay different buys when both say stainless. The two-burner Onlyfire B0CPP8Q82G at £189.49, rated 4.3 from 49 reviews, suits a small patio you can move. It will not give you the lid height, side shelves, or cylinder slot of a cart. The Pro Deluxe at £299.99 and a Platinum 4+2 around £500 to £540 are that cart shape. Choose the portable when storage matters. Choose the trolley when you want zones and can live with outdoor weathering. Stars need a sample. A 5.0 from 11 reviews has barely met a wet February or a missing hose. A 4.5 from 366 reviews, the Pro Deluxe figure, has had many more of those chances, so the lower average can be the stronger signal.

Common questions

Does stainless mean the whole BBQ will not rust?

No. Stainless can stain and rust, especially in salty air or under a wet cover. The title may mean only the burners or the firebox, while the hood is powder-coated. If the listing does not print a grade such as 304, do not assume one.

What does 4+2 mean on a CosmoGrill title?

The first figure is the main burners under the grate. The second is side burners, usually for a saucepan, and they do not add the same grilling area. Wider 6+2 carts in this set cluster around £600 to £680.

How do I know the regulator is in the box?

Search the bullets for a regulator, a hose, and a millibar figure, most often 37 mbar for propane or patio gas. The Pro Deluxe (B07TN7QXR8) both names a 37 mbar set and says the regulator is not included. Platinum and Yamara listings often include a 37 mbar kit.

Is the Pro Deluxe really stainless if the hood is painted?

It can be stainless where you cook and still have a painted hood. Stainless burners plus a powder-coated lid means both descriptions are true. That can still be a fair buy at £299.99 if you accept coated-steel wear and check the regulator line.

Should I trust 5.0 from 11 reviews over 4.5 from 366?

Prefer the larger sample. Eleven reviews at 5.0 have barely covered delivery damage or a missing hose. The Pro Deluxe at 4.5 from 366 has had many more of those chances. A 4.3 from 49 on the Onlyfire B0CPP8Q82G sits between them.

Best stainless steel gas BBQ