Every backyard cook knows the heartbreaking disappointment of dropping forty dollars on thick, beautifully marbled ribeyes, firing up a shiny new gas grill, and retrieving gray, baked meat that looks like it was boiled in a tub of lukewarm water.
Gas grills are famous for convenience, but traditionally, they suck at searing. They promise high heat, but deliver lukewarm enthusiasm.
Enter the Weber Genesis S-335.
Weber built this machine to shatter the stereotype that gas can’t deliver a steakhouse-worthy crust. With a heavy-duty stainless steel build, a massive cooking surface, and a dedicated high-output booster burner, this unit claims to solve the gas-searing dilemma once and for all.
Let’s put this shiny workhorse through its paces to see if the Weber Genesis S-335 earns a permanent spot on your patio or if it’s just hot air.
Quick Verdict: The Cheat Sheet
Bottom-Line Summary
The Weber Genesis S-335 is an absolute powerhouse. The extra boost burner generates blistering localized heat, delivering true steakhouse-grade crusts while retaining all the push-button convenience of liquid propane.
- Overall Score: 4.8 out of 5
- Best For: Serious backyard cooks who want rock-solid temperature control, heavy stainless steel durability, and real high-heat searing capability.
- Top Pros: Blistering high heat in the Sear Zone, bulletproof construction, rock-solid 10-year warranty, versatile expanding top rack.
- Main Cons: Assembly takes time, high-end price point, heavy unit to move once built.
Key Specifications & Build Quality
Out of the box, the Weber Genesis S-335 makes an impression.
This isn’t thin, flimsy sheet metal that will rust through after two wet winters. It’s built like a tank, combining heavy-gauge stainless steel with a cast-aluminum cookbox engineered to trap heat and hold it tight.
Technical Breakdown
| Specification | Details |
| Primary Burner Output | 39,000 BTU (3 Main Burners) |
| Sear Zone Burner Output | 13,000 BTU |
| Side Burner Output | 12,000 BTU |
| Primary Cooking Area | 513 sq. in. |
| Expandable Top Rack | 274 sq. in. (787 sq. in. Total) |
| Grate Material | 7mm Solid Stainless Steel Rods |
| Fuel Type | Liquid Propane (LP Tank) |
Material & Craftsmanship
- Heavy-Gauge Stainless Lid: The double-walled stainless steel lid traps heat efficiently, maintaining ambient temperatures even when the wind picks up outside.
- Solid 7mm Stainless Steel Rods: Unlike thin wire racks or porcelain-coated cast iron that chips over time, these thick stainless steel grates store massive amounts of thermal energy and clean up with minimal effort.
- Flavourizer Bars: The angled stainless steel bars sitting above the burners do double duty. They vaporize dripping fats to create authentic smoky grill flavor while protecting the burner tubes from clogging up with grease.
- Enclosed Storage Cabinet: The double-door cabinet cleanly hides your LP tank while providing plenty of space for extra grates, wood chip smoker boxes, and heat-resistant gloves.
Assembly, Setup, and First Impressions
Unboxing this machine feels like opening a giant, heavy-metal LEGO set. Set aside a solid two hours, brew a cold drink, and clear out space on the driveway.
Weber uses the BILT app, which offers 3D interactive assembly instructions on your phone. Following the step-by-step digital guide is a smooth process – no cryptic diagrams or left-over Mystery Screws required.
Once fully assembled, the Weber Genesis S-335 feels incredibly rigid. Rolling it across a bumpy stone patio reveals zero frame flex, and the heavy locking casters hold the unit firmly in place.
Fueling up is simple: hook up your standard 20 lb propane tank inside the cabinet onto the built-in fuel scale, which gives a clear visual reading of how much gas you have left before you throw a cookout.
The Main Event: Putting the Sear Zone to the Test
Let’s skip the marketing fluff and get straight to the real reason people buy this model: The Sear Zone.
On a standard 3-burner gas grill, the space between burners often leaves cooler pockets. Weber solved this by sandwiching a 13,000 BTU booster burner right between the main left and middle burners.
When turned on alongside the primary burners, it creates an intense, hyper-concentrated hot spot designed for one thing: rapid, high-heat caramelization.
Test 1: Warm-Up Speed & Peak Temperatures
- Standard Heating (Main Burners Only): Cranking the three main burners to high pushes the internal ambient dome temperature to 500°F in under 10 minutes. That is plenty hot for burgers, chicken thighs, and roasted pork tenderloin.
- Sear Zone Engaged: Igniting the dedicated Sear Zone burner completely changes the game. Within 15 minutes, the grate surface temperature inside that zone easily pushes past 750°F to 800°F.
Test 2: The Thick-Cut Ribeye Challenge
To test real-world performance, we tossed two 1.5-inch cut bone-in ribeyes straight onto the preheated Sear Zone grates.
The Result: Pure sizzle. The intense radiant heat instantly started the Maillard reaction, locking in juices and transforming the surface of the beef into a deep, mahogany crust in just 90 seconds per side.
Because the heat transfer is so fast, the center of the steak stays cooked to a precise, buttery medium-rare without developing that dreaded grey ring of overcooked meat underneath the surface.
The 7mm stainless steel rods leave wide, dark, defined sear marks that look like they came straight out of a high-end steakhouse kitchen.
Test 3: Heat Recovery & Flare-Up Control
Dropping cold meat onto a grill usually causes surface temps to plunge, but the massive thermal mass of the S-335’s stainless grates prevents any temperature drops.
Even better, when fat dripped down from the ribeyes, the stainless steel Flavorizer bars vaporized the grease instantly into flavor-rich smoke instead of causing persistent, dangerous grease fires.
Daily Driver Performance: Versatility and Workflow
A great grill can’t just be a one-trick pony that cooks steak. It needs to handle long, slower cooks, delicate foods, and complex multi-course meals without breaking a sweat.
Layout Overview
- Side Burner (12,000 BTU): Great for sauces, pots, or cast-iron side dishes.
- Left & Center Cooking Zone: Features the main burners plus the 13,000 BTU Sear Zone booster for 750°F+ direct heat.
- Right Cooking Zone: Standard main burner area, perfect for lower temp grilling or indirect heat.
1. Low-and-Slow Indirect Cooking
By firing up the far-right main burner and leaving the Sear Zone and left burners completely off, the Weber Genesis S-335 transforms into an effective convection oven.
We smoked a rack of St. Louis-style ribs at a steady 250°F for four hours. The internal environment stayed consistent, proving the air-flow and heat retention on this chassis are top-notch.
2. The 12,000 BTU Side Burner
The flush-mounted side burner is far from a cheap gimmick.
It cranks out enough power to bring a pot of salted water to a rolling boil, reduce a balsamic glaze, or sauté garlic onions in a cast-iron skillet while your main course sizzles on the main grate.
When closed, the cover serves as a flat prep table for resting trays.
3. The Weber Crafted Modular System
Underneath the main right-hand grate lies the frame for the Weber Crafted Outdoor Kitchen Collection. You can swap out the standard grates for custom-fit accessories like:
- A heavy flat-top griddle plate for smashing breakfast diner burgers or bacon.
- An artisan pizza stone for wood-fired style pies.
- A stainless steel wok for quick high-heat stir frying.
This turns a standard backyard barbecue setup into a fully functioning outdoor kitchen line.
Winter Grilling: Sub-Zero Thermal Performance
Cooking in sub-zero weather usually turns gas grills into sluggish, fuel-chugging ovens. The Weber Genesis S-335 breaks that cold-weather curve with heavy-duty thermal insulation.
- Heavy-Duty Insulation: A double-walled stainless steel lid and cast-aluminum cookbox prevent severe heat bleed, letting main burners hit high temps fast.
- Fuel Efficiency: Retains heat so efficiently that you won’t burn through an entire propane tank in a single winter cookout.
- Instant Cold Ignitions: The electronic infinity ignition fires up reliably on the first click, even in biting frost.
You do not have to abandon high-heat searing when snow hits the deck; the intense radiant heat stays locked inside, giving you year-round outdoor kitchen capability regardless of the forecast.
Night Time Cooking: LED Control Knob Illumination
Grilling after sunset usually means balancing a flashlight between your teeth while flipping burgers. The Weber Genesis S-335 solves this with ambient LED-lit control knobs that illuminate the entire front panel.
- Immediate Visual Feedback: Spot which burners are actively firing and gauge dial positions at a single glance.
- Precision Control: Fine-tune low-and-slow flame heights easily without blinding yourself with harsh overhead deck lights.
- Organized Workflow: Pairs with the extra-large side table space to keep night-time prep trays clean and accessible.
It delivers crucial safety and accuracy for late-night cooking, making evening barbecuing feel completely effortless from first ignition to final scrape.
The Fuel Scale: How the Weight Sensor Prevents Surprises
Nothing ruins a dinner party faster than running out of propane halfway through thick-cut ribeyes. Instead of cheap pressure gauges that fluctuate with the weather, the Weber Genesis S-335 uses a built-in mechanical tank scale mounted inside the cabinet.
- Real Weight Measurement: Physically weighs your 20 lb LP cylinder for precise readings.
- Exterior Indicator: Displays real-time fuel levels on an easy-to-read scale so you know your gas status before lighting the Sear Zone.
- Zero Guesswork: Eliminates mid-cook hardware store runs and keeps your grilling workflow completely seamless.
Extra-Large Prep Space & Side Locker Integration
A common complaint with high-end gas cookers is tiny side shelves that force you to juggle raw trays, sauces, and tongs. Weber solved this by rethinking the layout entirely.
- Expanded Right-Hand Table: Offers enough surface area to fit a full-sized sheet pan right alongside your cutting board.
- Dedicated Locker Storage: The left side cabinet houses a prep & serve locker built specifically for large Weber Crafted accessories.
- Clutter-Free Patio: Keeps your flat-top griddle plate, heavy pizza stone, or rotisserie spit tucked neatly away at knee-level.
Having specialized gear right where you need it turns a standard grill station into an efficient, self-contained outdoor cooking line.
Wind Deflection & Coastal Rust Resistance
On exposed patios or near salty air, cheap steel grills quickly deteriorate into rusted, drafty eyesores. The Weber Genesis S-335 is built specifically to withstand aggressive weather.
- 304 Stainless Steel Construction: Applied across the lid, doors, and tables for maximum protection against corrosion and rust.
- Integrated Wind Deflector: The deep-set firebox and internal air channels shield burner tubes from strong cross-breezes.
- Stable Combustion: Prevents pilot blow-outs and severe temperature drops, holding heat steady even on open, windy decks.
Rotisserie Upgrades: Taming the Rear Heat Gap
While the core package excels at direct searing, adding the heavy-duty rotisserie kit unlocks a whole new dimension of slow-roasting.
- Expanded Hood Clearance: Extra vertical height under the hood easily fits a 12-pound turkey or two chickens without crowding grates.
- Indirect Heat Convection: Removing the main grates and running outer burners on medium-low creates an indirect heat convection envelope.
- Self-Basting Action: Rotating meat allows dripping fat to continuously baste itself, creating crispy skin and tender meat.
It transforms your standard propane setup into a high-capacity commercial rotisserie line right in your backyard.
Cleaning, Maintenance, and Real-World Usability
Nobody likes spending an hour scrubbing grease after a fun meal, and Weber put a lot of thought into easy cleanup.
- Pull-Out Grease Management: Grease doesn’t pool on the bottom of the cookbox. It flows down an angled funnel tray into a removable, disposable drip pan tucked away inside the lower cabinet. You just pull the tray out, toss the aluminum liner, and drop in a fresh one.
- Grate Care: Stainless steel grates are far easier to live with than raw cast iron. They won’t rust if you forget to oil them once, and a quick brush down with a stainless wire brush while the grill is hot knocks off charred food in seconds.
- Exterior Finish: The stainless steel lid and cabinet doors look sleek and modern on any patio. A quick spray with a stainless steel cleaner wipes away greasy fingerprints and water spots instantly.
How It Compares to the Competition
Before dropping serious cash on a grill, it helps to see how the Weber Genesis S-335 stacks up against similar heavyweights in the premium gas space:
| Model | Primary Burners | Sear Capability | Grate Type | Key Advantage |
| Weber Genesis S-335 | 3 Burners + Boost | Dedicated Sear Zone Burner | 7mm Stainless Steel | Unmatched heat consistency & Weber Crafted ecosystem |
| Napoleon Rogue SE 425 | 3 Burners | Infrared “Sizzle Zone” Side Burner | Cast Iron Wave Grates | Infrared side burner gets screaming hot for single steaks |
| Broil King Baron 490 | 4 Burners | Standard Burners (High Output) | Cast Iron Dual-Tube | Excellent heat distribution across a wide main surface |
While Napoleon’s infrared side-burner gets extremely hot, the Weber Genesis S-335 puts the extra searing power right on the main cooking grid. This lets you sear four thick steaks simultaneously rather than cooking them one-by-one on a small side burner.
Top 3 Best Alternatives
1. Napoleon Prestige 500 RSIB
- Best Overall Alternative & Direct Rival
If you want a build quality that rivals (and in some ways exceeds) Weber’s Genesis line, the Napoleon Prestige 500 RSIB is the most complete direct alternative on the market.
- Why it’s a top alternative:
- Infrared Sizzle Zone™ Side Burner: Unlike Weber’s internal boost burner, Napoleon features an infrared side burner that reaches 1,500°F in under two minutes. It allows for rapid, steakhouse-quality searing without heating up the entire main cookbox.
- Rear Infrared Rotisserie Burner: Comes standard with a dedicated rear rotisserie burner and heavy-duty motor kit included in the box.
- Iconic WAVE™ Stainless Steel Rods: Thick 7.5mm stainless steel grates provide distinct sear marks and prevent smaller foods from falling through.
- SafetyGlow Control Knobs: Knobs glow blue when off and turn red when gas is actively flowing, adding a clear safety visual for night grilling.
- Who it’s for: Cooks who want a dedicated high-temp infrared station, superior rotisserie capabilities right out of the box, and a lifetime/15-year bumper-to-bumper warranty.
2. Broil King Baron S 490 PRO
- Best Value & Pure BTU Power
For those who want heavy-duty, commercial-grade heat output and robust construction at a more attractive price point, the Broil King Baron S 490 PRO delivers maximum punch per dollar.
- Why it’s a top alternative:
- Dual-Tube™ Stainless Steel Burners: Designed to deliver equalized gas pressure front-to-back across all 4 main burners, eliminating cold spots across the cooking grid.
- 4 Main Burners + High Output: Offers 4 main burners (44,000 BTU main output) plus a 10,000 BTU side burner and a 15,000 BTU rear rotisserie burner, giving you 4 full zones of primary heating.
- Flav-R-Wave™ Stainless Steel System: Covers almost the entire bottom of the firebox, vaporizing drippings more aggressively to create exceptional smoky flavor and minimize flare-ups.
- Heavy Solid Stainless Steel Grates: Features ultra-thick 8mm solid stainless steel cooking grids that hold thermal mass remarkably well for deep searing.
- Who it’s for: Backyard chefs who prioritize raw heat distribution, four primary burner zones over three, and solid stainless construction without paying a top-tier premium.
3. Weber Searwood 600 Smart Pellets & Gas-Style Versatility
- Best Tech-Forward & Flavor-Focused Alternative
If your main goal is getting incredible steakhouse crusts combined with real wood-smoke flavor—without sacrificing modern digital convenience—a hybrid or high-heat pellet system like the Weber Searwood 600 is a compelling modern alternative.
- Why it’s a top alternative:
- Full-Grid High Heat (200°F – 600°F+): Unlike traditional pellet grills that struggle to sear, the Searwood uses direct flame technology and variable fan speed to reach high searing temperatures across the entire grate surface.
- Real Wood Flavor: Uses 100% natural hardwood pellets, delivering smoky bark and authentic BBQ flavor that propane burners simply cannot produce.
- Weber Connect Integration: Includes fully integrated smart probes, real-time temperature tracking via smartphone, and step-by-step cook programs for precision monitoring.
- Sear & Smoke Flexibility: Capable of running a 225°F low-and-slow brisket cook overnight, then ramping up to 600°F to sear steaks or bake pizzas on the same setup.
- Who it’s for: Grillers looking to upgrade from traditional gas to a smart, wood-fired station that combines set-it-and-forget-it temperature control with real high-heat capability.
Final Verdict: Is the Weber Genesis S-335 Worth It?
If you are tired of weak gas burners that leave your meat grey, dry, and tasteless, the Weber Genesis S-335 is worth every single penny.
It strikes the perfect sweet spot between high-end professional performance and effortless everyday usability. The dedicated Sear Zone solves the biggest design flaw of traditional gas grills, delivering blistering heat that locks in flavor and builds magnificent crusts.
Combined with rock-solid construction, modular accessories, and a bulletproof 10-year warranty, this grill is built to deliver exceptional meals for years to come.
The Bottom Line
- Buy it if: You want a top-tier gas grill that sears like charcoal, lasts for a decade, and offers modular options to cook everything from steak to smash burgers.
- Skip it if: You are on a tight budget, cook exclusively low-and-slow barbecue, or only grill hot dogs once or twice a summer.
Frequently Asked Questions
1. What is the difference between the Weber Genesis S-335 and E-335?
The primary difference comes down to materials and aesthetic finish:
- Genesis S-335: Features a stainless steel lid, stainless steel cabinet doors, and heavy-duty 7mm solid stainless steel rod grates. It offers superior rust resistance and a modern, metallic look.
- Genesis E-335: Features a porcelain-enameled steel lid and doors (usually in black) with porcelain-enameled cast iron grates.
Both models share the exact same burner configuration, BTU output, side burner, and Sear Zone capabilities.
2. Can you use the Sear Zone for normal grilling, or is it only for steaks?
You can use it for whatever you want, but it is specifically designed for high-heat, short-duration cooking.
- When to use it: Cranking the booster burner alongside the main burners is ideal for locking in crusts on steaks, pork chops, tuna steaks, or getting a quick charred skin on peppers.
- When to leave it off: For everyday grilling – like chicken breasts, sausages, or delicate fish – you’ll want to leave the extra Sear Zone burner turned off to prevent burning your food on the outside before the interior cooks through.
3. Does the Weber Genesis S-335 require a special propane tank?
No. It connects to any standard 20 lb liquid propane (LP) cylinder available at grocery stores, gas stations, or hardware exchange kiosks.
The tank fits neatly inside the lower cabinet and hooks directly into the internal mechanical fuel scale to display your remaining gas levels.
4. How hard is it to clean the stainless steel grates compared to cast iron?
Stainless steel grates are significantly easier to maintain over time:
- No Seasoning Required: Unlike cast iron, stainless steel won’t rust or strip if you skip oiling it after a cook.
- Simple Cleanup: Fire the grill up to high heat for 10 minutes to burn off food residue, then give it a quick scrub with a stainless steel wire brush.
- Durability: They won’t chip, flake, or degrade over years of high-heat exposure.
5. Are the Weber Crafted accessories included with the Genesis S-335?
The grill comes with the Weber Crafted frame kit pre-installed under the right grate, but the individual custom inserts (such as the flat-top griddle, pizza stone, wok, or crisping basket) are sold separately.
This lets you buy only the specific cooking surfaces you will actually use.
6. What kind of warranty does Weber offer on the Genesis S-335?
Weber backs the Genesis lineup with one of the best warranties in the industry:
- 12 Years: Cookbox and lid assembly (against rust-through or burn-through).
- 10 Years: Burner tubes, stainless steel grates, and Flavorizer bars.
- 5 Years: Weber Crafted frame and remaining internal components.
Featured image credit: @insideoutpatio
