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Weber Genesis S-435 4-Burner Natural Gas Grill with Side Burner & Sear Burner - Stainless Steel

MODEL:

38400001
4.1 out of 5 Customer Rating
Weber Genesis S-435 4-Burner Natural Gas Grill with Side Burner & Sear Burner - Stainless Steel is rated 4.6 out of 5 by 2733.
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Key Features

  • Dimensions (in.) (WxHxD): 68.5(w) X 48.1(h) X 27.0(d)
  • Total Cooking Area (Sq. In.): 994
  • Grate Material: Stainless Steel
  • Total Number of Grill Burners: 4
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About this Item

Weber GENESIS S-435 4-Burner Freestanding Gas Grill with Side Burner & Sear Burner

Introducing the newly designed GENESIS gas grill - the biggest grilling innovation in decades, that creates a full backyard culinary experience. Grill, bake, and even stir-fry on the newly designed GENESIS gas grill. Its WEBER CRAFTED Outdoor Kitchen Collection compatibility provides limitless culinary possibilities, enabling you to cook food never thought possible on the grill. Also featuring Weber's largest & hottest sear zone and expandable top cooking grate - so you're able to cook a full restaurant quality meal outside, where the party is.

Grill Specifications:

  • 48,000 - Main Burner BTU-per-hour
  • 646 sq inches - Primary Cooking Area
  • Built-in lid thermometer
  • 994 sq inches - Total Cooking Area
  • 4 - Stainless steel burners
  • 2 - Swivel Casters
  • 2 - Side Tables
  • 6 - Total Hooks

Features:

PureBlu Burners
Pureblu burners with a unique, tapered design, create a consistent flame and even heat across the grilling surface. Raised flame opening s keep food debris falling away, minimizing clogs and corrosion.

Sear in Minutes
Stainless steel cooking grates heat quickly and are highly durable.

Cook on the side
Side burners provides extra cooking space for sauces, sides, sauteing veggies and more.

Store Gear at the Grill
Grill locker stores large grillware and your large grilling tools.

FLAVORIZER Bars
Catch and vaporize juices, boosting grilled flavor and funnel grease away from the burners, preventing flare-ups.

Clean With Ease
Grease Management System with pull out grease tray, located under the cookbox, slides out for quick and easy disposal.

Shop Weber Grills by Series: Weber Spirit Grills, Weber Genesis Grills, and Weber Summit Grills
Don't forget to get your Weber Grill Cover to protect your investment.

PDF Icon Assembly Instruction
PDF Icon Owners Manual
Product Height
48.1 Inches
Product Width
68.5 Inches
Product Depth
27 Inches
Product Weight (lbs.)
240 Lb(s)
Height with Lid Closed (in.)
48.5 Inches
Height with Lid open (in.)
63 Inches
Width with Lid Closed (in.)
68.5 Inches
Width with Lid Open (in.)
68.5 Inches
Depth with Lid Closed (in.)
27 Inches
Depth with Lid Open (in.)
31 Inches
Built-In Grill Cutout Height
-
Built-In Grill Cutout Width
-
Built-In Grill Cutout Depth
-
Color
Stainless Steel
Series
Genesis
Grill Style
Freestanding
Fuel Type
Natural Gas
Total Number of Grill Burners
4
Burner Material
Stainless Steel
Total BTU's
48000 BTUs
Total Cooking Area (Sq. In.)
994 Sq. In.
Warming Rack
Yes
Rotisserie
No
Side Shelf
Yes
Side Shelf Type
Fixed
Side Burner
Yes
Side Burner BTU
12000 BTU
Sear Burner
Yes
Sear Burner(s) BTU
12000 BTU
Number of Sear Burners
1
Infrared Burner(s)
No
Heat Distribution
Stainless Steel Flavorizer Bars
Grate Material
Stainless Steel
Grill Surface Lighting
None
Handle Lights
No
Control Type
Knob(s)
Illuminated Controls
Yes
Temperature Gauge
Yes
Fuel Gauge
No
Type of Ignition System
Push-Button Ignition System
Battery Type
AA
Number of Batteries
1
Pellet Capacity (lbs.)
-
Removable Grease Tray
-
Lid Material
Stainless Steel
Spring Assisted Hood
No
Locking Casters
Yes
Swivel Casters
Yes
Number of Tool Holders
6
Assembly Required
Yes
Additional Features
12,000 BTU Sear Station Burner
Grill Cart Sold Separately
No
Grill Model
S-435
WiFi Connected
No
WiFi Features
-
Meat Probe(s) Included
No
Smoker Box Included
No
Accessories Included
gas supply hose included
Grill Cover Model Number
Warranty Terms - Parts
60 Month(s)
Warranty Terms - Labor
60 Month(s)

Customers Say

AI-generated from the text of customer reviews

This robust gas grill delivers professional-grade cooking capabilities with its exceptional temperature control and versatile four-burner layout. The spacious cooking area, enhanced by a foldable warming rack, easily handles complete family meals while the standout sear station achieves steakhouse-worthy results. The Weber Crafted accessory system transforms it into a comprehensive outdoor kitchen, accommodating everything from pizzas to stir-fry. While the integrated side burner and storage solutions add convenience, some users note occasional ignition quirks. The well-insulated construction maintains steady temperatures throughout cooking sessions, though a few components may not match the decades-long durability of earlier models. The thoughtful grease management system makes cleanup straightforward, even if the stainless exterior requires regular attention.

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Rated 5 out of 5 by from Weber Genesis Grill I recently purchased a 4-burner Genesis grill for our 2nd home in the mountains. The grill itself is a great improvement over the one we have at our primary residence which is at least 8-10 years older. The installation directions using strictly pictorials could be improved.
Date published: 2026-07-25
Rated 5 out of 5 by from S-435 Solid cabinet/grill , new burner ports better than old, view points for flame a plus, heats even, great Rotisserie results Better wheels than older 300 model. Lid balance with bumper tabs nice touch All around excellent product.
Date published: 2026-07-23
Rated 5 out of 5 by from Genesis S-435 Gas Grill I received this new Genesis S-435 as a Father's Day gift. I was given a Genesis grill 15 years ago that was still operational when I sold it just the other day. I love Weber's Grills for their reliability and long life with little maintenance required! This new grill has been improved in many ways that allows me to grill in different ways which I am currently exploring, much to my wife's delight! Weber keep doing what you do best engineer a great product that can be used for more than a decade, day in and day out!
Date published: 2026-07-22
Rated 5 out of 5 by from Genesis S-435 Gas Grill LP This grill is wonderful. It has great features, well built and sturdy. I love the Weber Crafted grill options. We added the griddle insert and plan on adding more especially the searing grate. We also love the added storage compartment, which is very handy. The fuel gage measuring device is a plus, however, the gauge marker on the outside of the door was upside down. We gently peeled it off and corrected it but had to add some shipping tape to hold it down. We also noticed that this grill efficiently burns and uses less LP than our old one. Overall, we love the Genesis grill, it's well built and will get used...a lot!
Date published: 2026-07-13
Rated 5 out of 5 by from Genesis S-435 Gas Grill (Liquid Propane). I have used Weber gas grills for a very, very long time (81 years old ) , but this one is by far the best. It is like cooking on my commercial natural gas stove , This grill does what i want it to do , high heat when i want it . The sear feature works better than i thought it would . I am even more elated with the 4 burner /front to back burners rather than the 3 running lengthwise , Two different grilling temperature's on the same grill . Best improvement in all the years Weber has been in business .
Date published: 2026-07-13
Rated 5 out of 5 by from Outstanding Cooking made easy in minutes. No more 20 minutes waiting fir the oven.
Date published: 2026-07-08
Rated 5 out of 5 by from Easy to use propane grill, just turn on the gas. Great grill for beginner once it is set up and tank is installed
Date published: 2026-07-05
Rated 5 out of 5 by from Best product & service Excellent product, excellent service. I’ll never own anything other than a Weber!
Date published: 2026-07-05
Rated 5 out of 5 by from Kalamazoo like performance at a great price Very well built grill, good design features include the gas burners which burn very clean and the hood thermometer which is very beefy and accurate. The large side trays are very helpful. The stainless steel finish is very nice and the griddles are heavy duty and well made. I bought the griddle insert for this unit. It is an excellent add on for the weekend get togethers when you need fast cooking and maximum cooking surface. Overall it is almost as good as my Kalamazoo HB 750, which costs 10X as much. An excellent grill for the money and the Weber warranty makes the investment very worthwhile.
Date published: 2026-07-05
Rated 5 out of 5 by from Best grill experience yet! I had a 17 year old similar Weber grill and loved it. New deck - New grill. I cook outside several times a week, weather permitting. And this new replacement grill is even better! It handles all my outdoor cooking needs perfectly - veggies to bacon, hotdogs to steaks, etc. I really like the expandable upper shelf. The side burner is more convenient on the left side and the larger side shelf on the right side is much more usable in this extended size. The grill temperature control is terrific - very controllable from low up to 700 degrees. And the grill grates are more flexible than ever. I haven’t yet used the round wok grate but expect to soon. Flexibility is a good thing to have.
Date published: 2026-07-02
Rated 5 out of 5 by from Works perfect and is gorgeous! Love this grill - actually looks like a piece of art in my back yard
Date published: 2026-06-23
Rated 5 out of 5 by from Best Grill Ever It’s a gorgeous grill that functions even better than it looks! Love the option of grill and griddle!
Date published: 2026-06-21
Rated 5 out of 5 by from Real Grilling Control Great product. I get guidance from CHATGPT on temperature, placement and duration on how best to cook each meal based on what I'm grilling, and everything comes out perfectly.
Date published: 2026-06-13
Rated 5 out of 5 by from Great grill. The grill cooks evenly and with great temperature control. Very happy!
Date published: 2026-06-11
Rated 5 out of 5 by from Great grill Love our new grill. We used to have 3 burner and moved up to this one. I love the way the burners now go front to back. Also the electric ignition makes life so much easier. Can’t wait to get the inserts.
Date published: 2026-06-11
Rated 5 out of 5 by from Amazing Grill Absolutely amazing grill. Best grill I have ever owned!
Date published: 2026-06-11
Rated 5 out of 5 by from Fantastic!! I purchased the grill a short time ago, and I assembled it. The directions were very easy to follow with no problems. The short time I have used the grill has been great.
Date published: 2026-06-08
Rated 5 out of 5 by from Control The Temperature control is wonderful and has worked well for everything from brisket to roast chicken. My only complaint is the side burner needs to be lit with a match.
Date published: 2026-06-02
Rated 5 out of 5 by from Easy to cook on I really like this grill, especially the zone for cooking steaks. I tried it and it works great.
Date published: 2026-06-02
Rated 5 out of 5 by from Awesome Grilk Extremely happy with this grill. The 4 burners are great and the large size of the grates is a huge plus. The stainless steel is another great feature
Date published: 2026-05-31
Rated 5 out of 5 by from Best grill ever I've owned Weber Grills my whole life and love them. This grill is the best so far with great features and stainless steel finish. Never even thought about going with another brand.
Date published: 2026-05-31
Rated 5 out of 5 by from Webber genesis e435 Bought this as a replacement from another bbq of another brand. So far I love this bbq. Propane fuel level gauge is very handy to ensure you don't run out halfway through cooking. I upgraded to have a webber griddle on half the grill to make cooking more versatile. So far very happy with my purchase.
Date published: 2026-05-23
Rated 5 out of 5 by from Perfect Pizza Perfect! Bought all the Crafted attachments as well. Grilled pizza? Yep! Finally cracked the code after all these years.
Date published: 2026-05-21
Rated 5 out of 5 by from Excellent This grill replaced a 12 year old previous Weber. We grill year round. We bought the bigger 4 burner model and enjoy the additional capacity. We added the 16" griddle and really enjoy being able to grill veggies and smash burgers along side steaks and other items at the same time. The temperature control has been great. Fantastic grill!
Date published: 2026-05-21
Rated 5 out of 5 by from New grill Had a genesis for 26 years from 2001. This one should last just as long.
Date published: 2026-05-14
Rated 5 out of 5 by from Genesis E-435 Propane Grill After almost 30 years, I finally upgraded from my previous Genesis to the new Genesis E-435. This grill is by far the best grill I’ve ever had. Living in Alaska, we are prone to losing power during storms and I can always count on my Weber grill with the side burner. I believe this is the last grill I will ever own. Thanks for building such a wonderful, heavy duty tool for those of us who really enjoy grilling.
Date published: 2026-05-14
Rated 5 out of 5 by from Genesis E-435 in one word - awesome Pros: The packaging is beyond adequate. Someone spent a lot of time on it. Plenty of grill area, I can smoke briskets and pork roasts with room for smoke boxes and water trays Holds constant temperature during long smokes (10+ hours) with very little adjustment Creates great amount of heat for searing and cooking steaks and chops Seems to actually be more efficient with propane gas, need more time to confirm but initial impression Cons: The instructions need to be interpreted as there are no words for assembly. Only messed up one time with the side burner gas line routing even after studying for several minutes. Could be clearer but is obviously do-able. The sticker on the outside indicating bottle gas level does not match the internal hanger indicator. If I have to point to sticker alignment to find a Con then overall the grill is awesome.
Date published: 2026-05-14
Rated 5 out of 5 by from For the serious griller I use gas, charcoal and wood smokers. Recently had to replace old gas and went for the high-end Weber and it is amazing. High quality manufacturing and engineering, Thoughtful design, expansion with griddle option, obvious this was made with the serious griller in mind.
Date published: 2026-05-13
Rated 5 out of 5 by from Awesome everyone should own one! Well built even cooking great grill highly recommend!
Date published: 2026-05-05
Rated 5 out of 5 by from Love my Weber grill Most versatile grill there is. Well engineered for easy assembly.
Date published: 2026-05-04
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