Head-to-head · Best Gas Grills

Weber Genesis E-435 vs Weber Summit FS38 S

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

Weber Genesis E-435 comes out ahead by a narrow margin (4.7 vs 4.4). The gap is mostly about Backyard hosts who entertain a family of four to eight weekly and want a single grill they can keep for ten-plus years. — read the strengths below before deciding.

Higher ratedRanked #1 in Best Gas Grills

Weber Genesis E-435

4.7

$1,599

Weber's redesigned Genesis E-435 is the clearest 'buy once, cry once' choice in the $1,500 tier. Four main burners plus a dedicated sear zone and a side burner deliver the cooking range serious backyard cooks need, while the 12-year cookbox warranty and porcelain-enameled cast-iron grates show Weber is still chasing 10-plus-year service life. Consumer Reports tested it as the #3 model among 31 comparable large gas grills, and customer feedback on weber.com averages 4.5 stars across 2,733 reviews. It's the grill we'd hand someone who plans to host weekly cookouts for the next decade.

Strengths

— Four 12,000 BTU PureBlu burners with dedicated 12,000 BTU sear zone hit steakhouse-grade temperatures over the searing band
— 646 sq in primary cooking area plus expandable second-level grate fits dinner for a family of six without crowding
— Porcelain-enameled cast-iron grates retain heat hard enough that Consumer Reports rated heat evenness 'very good' at preheat, high, and low

Watch-outs

— Assembly is multi-hour and the manual is dense — most owners pay for the $150 setup add-on
— Side burner output (12,000 BTU) trails Napoleon's 14,000 BTU infrared side burner at this price
— iGrill 3 Bluetooth probe — the heavily marketed smart feature — is sold separately

$1,599 · Check Price on Amazon Full review →

Ranked #4 in Best Gas Grills

Weber Summit FS38 S

4.4

$3,999

Weber's Summit FS38 S is the company's flagship gas grill — what you buy when budget isn't the gate. Five PureBlu burners plus a top-down infrared broiler, integrated rotisserie, built-in smoker box, and 681 square inches of primary cooking area put it in a different conversation from the Genesis line. Weber rates it 4.4/5 across 218 customer reviews, with praise centered on heat evenness and the sear feature. At $3,999 it's a luxury purchase, but for the host who entertains weekly and wants one grill that does griddle, pizza, wok, rotisserie, and smoker — it's the only Weber that does all of it without accessory swaps.

Strengths

— Five 13,000 BTU stainless steel PureBlu burners plus 16,000 BTU top-down infrared broiler total 93,000 BTU — the highest-output Weber gas grill
— 681 sq in primary plus 372 sq in top grate cooks for crowds of 12+ without needing to stage in shifts
— Integrated rotisserie motor, forks, spit, AND stainless steel smoker box ship in the box — no add-ons needed for low-and-slow or whole birds

Watch-outs

— $3,999 is a serious investment that only makes sense if you actually entertain crowds or want every cooking technique under one lid
— 247-pound footprint and 73-inch width need a real patio bay — not a townhome or balcony
— Some owners report the propane-tank scale on the cart is awkward to load — Weber's customer reviews flag it

$3,999 · Check Price on Amazon Full review →

How they stack up

Weber Genesis E-435

Sits one tier above the Weber Spirit II E-310 in capacity, sear performance, and warranty length, and undercuts the Weber Summit FS38 S by roughly $2,400 while delivering the same Weber build pedigree. Versus the Napoleon Prestige 500, the Genesis is easier to assemble, runs a longer cookbox warranty, and skips the rotisserie kit Napoleon bundles — pick the Napoleon if rotisserie chicken is the regular Sunday plan.

Weber Summit FS38 S

The most capable grill in this lineup at more than double the price of every other option. The Weber Genesis E-435 covers 80% of what a typical Summit owner actually uses for one-third the price; the Summit makes sense when the rotisserie, smoker box, infrared broiler, and WEBER CRAFTED ecosystem all matter on a weekly basis. Versus the Napoleon Prestige 500, the Summit FS38 S offers 181 more sq in of primary cooking area, a built-in top-down broiler instead of a side burner sear, and Weber's accessory ecosystem — but loses on side burner sear temperature.

Specs side-by-side

Spec	Weber Genesis E-435	Weber Summit FS38 S
Burners	4 main + 1 sear + 1 side	5 main + 1 side + 1 infrared broiler
Total BTU	72,000 BTU/hr	93,000 BTU/hr
Primary Cooking Area	646 sq in	681 sq in
Total Cooking Area	994 sq in	1,053 sq in
Grate Material	Porcelain-enameled cast iron	9mm stainless steel rod
Ignition	Electronic (1 AA battery)	One-handed push-and-turn
Fuel Type	Liquid Propane	Liquid Propane
Warranty	12-year cookbox/lid, 10-year burners and grates, 5-year remaining parts	15-year cookbox/lid, 10-year burners and grates, 5-year remaining parts
Weight	—	247 lbs

← See the full ranking of best gas grills