Weber Genesis II LX S640

February 6, 2017 - Written by

$2,249.00 $1,999.00

The GS4 Grilling System

The Power to Bring People Together

The GS4 High Performance Grilling System sets a new standard in the world of backyard cuisine, and lands the Genesis II and Genesis II LX series of gas grills in a class of their own. This innovative grilling system is based on over 30 years of grilling experience, culinary expertise, and most importantly, avidly considering the wants and needs of the people who matter most – the grilling community.


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The Genesis II LX gas grills is definitely a force to be reckoned with. The uniquely designed, high performance burners promise even heat distribution over the entire cooking area. With the GS4 high performance grilling system you can sear a steak for everyone – knowing that each will turn out as flawless as the next. The GS4 grilling system is composed of four key components: The Infinity ignition, high performance burners, flavorizer bars and grease management system.

  • With 6 unique tapered stainless steel burners with 72,000 BTUs that provide ultimate heat distribution to the cooking grates ensuring food grills evenly and consistently
  • Simmer sauce while the main course grills under the lid with the 12,000 BTU side burner
  • Premium stainless steel cooking grates are durable and built to last
  • 770 sq. in. of primary cooking area gives you plenty of room to grill a variety of foods at once; 228 sq. in. of secondary cooking area is plenty of room to keep food warm while you are grilling the rest of the meal and when not in use it folds down easy for storage
  • Burners are ensured to ignite every time so that you are up-and-grilling the first time, every time
  • Stainless steel flavorizer bars are angled to catch drippings that smoke and sizzle, adding a smoky flavor to your food, lighted control knobs illuminate for night-time grilling
  • Use the side tables to keep platters, seasonings and grilling tools within arm’s reach
  • Lighted control knobs illuminate for night-time grilling and powerful LED handle lights illuminate the entire cooking area of the grill while night-time grilling


  • Infinity ignition
  • High performance burners
  • Stainless steel Flavorizer bars
  • Grease management system


  • Stainless steel burners: 6
  • 7 mm diameter stainless steel rod cooking grates
  • Stainless steel Flavorizer bars
  • Main burners: BTU-per-hour input: 72,000
  • Side burner: BTU-per-hour input: 12,000


  • Primary cooking area (square inches): 770
  • Tuck-Away warming rack area – Elevations compatible (square inches): 228
  • Total cooking area (square inches): 998


  • Stainless steel heat deflectors
  • Stainless steel lid with thermometer
  • Stainless steel control panel
  • 2 swivel locking casters and 2 large wheels
  • Cast aluminum cookbox
  • Stainless steel handle
  • Welded tube frame


  • Limited warranty
  • LED fuel gauge (LP models only)
  • Side tables with integrated tool hooks
  • iGrill 3 ready
  • Easy access gas tank storage (LP only)
  • High+ heat setting
  • Handle light(s)
  • Lighted control knobs
  • Grill cabinet
  • Higher lid


  • Natural gas (10-foot flexible hose included)
  • — OR —
  • Liquid propane (20-lb LP tank sold separately)
  • Please check with your retailer to ensure you purchase the correct model you are looking for (Natural gas or LP). Due to the complexity of the technology, gas train components, and the level of disassembly that would have to be performed, we are not allowing conversions or offering kits. This decision was made in the interest of safety. *Not all models are available in LP or NG.


  • Stainless steel
  • Stainless steel (LP): 1
  • Stainless steel (NG): 1


  • Height (inches): 63
  • Width (inches): 72
  • Depth (inches): 33


  • Height (inches): 48
  • Width (inches): 72
  • Depth (inches): 29

Additional information

Weight265 lbs
Dimensions53 x 36 x 32 in


Enjoy a Lifetime of the Best Grilling Experience!!!