Body  
Generic TypeTruck
Vehicle SizeLarge
Roof TypeFixed
Rear Roof ProfileBed
No Side Doors4
Sliding Rear DoorsNo
Powertrain  
PowertrainInternal CombustionInternal Combustion / Electric Motor
Engine  
ConfigurationV
Cylinders8
Fuel TypeGasolineGasoline / EthanolGasolineGasoline / EthanolGasoline
Displacement (l)4.85.34.85.36.26.0
Max. Power (bhp)302315302315403332
Max. Power @RPM560052005600520057005100
Max. Torque (lbft)305338305338417367
Max. Torque @RPM460044004600440043004100
Transmission  
Transmission TypeAutomatic
Forward Gears46464
Driveline  
Driven WheelsRWD4WDRWD4WDRWD4WD
Chassis  
Chassis TypeBody-on-Frame
Engine LayoutLongitudinal
Engine PositionFront
Suspension  
Front Suspension - TypeIndependent
Rear Suspension - TypeSolid axle
Brakes  
Rear Brakes - TypeDrumDisc
Front Brakes - TypeVented Disc
Steering  
Steering TypeRack-and-Pinion
Wheels / Tires  
Tire Size F (,R)P245/70R17P265/70R17
  • P245/70R17 (SLE, SLT)
  • P275/55R20 (Denali)
  • P265/70R17 (SLE, SLT)
  • P275/55R20 (Denali)
P265/65R18
Exterior Dimensions  
Curb Weight (lb)51205372
  • 5120 (SLE, SLT)
  • 5234 (Denali)
  • 5372 (SLE, SLT)
  • 5396 (Denali)
55485781
Wheelbase (in)143.5
Height - Body (in)73.874.073.874.073.874.0
Width - Body (in)80.0
Width - Overall (in)79.9
Length (in)230
Front Track (in)68.1
Rear Track (in)67.0
Seating  
Rows of Seats2
Max. Passenger Capacity6
Interior Dimensions  
Head Room - 1st Row (in)41.2
Head Room - 2nd Row (in)40.5
Shlder Room - 1st Row (in)65.2
Shlder Room - 2nd Row (in)65.1
Hip Room - 1st Row (in)64.3
Hip Room - 2nd Row (in)65.4
Leg Room - 1st Row (in)41.3
Leg Room - 2nd Row (in)39.0
Seating Positions - 1st Row3
  • 3 (Work Truck, SLE, XFE)
  • 2 (SLT)
3
  • 3 (Work Truck, SLE)
  • 2 (SLT)
  • 3 (SLE)
  • 2 (SLT, Denali)
  • 3 (Hybrid 3HA)
  • 2 (Hybrid 3HB)
Seating Positions - 2nd Row3
Cargo Volume (cu ft)53.2
Utility  
Cargo AccessTailgate
Energy Storage  
Fuel Capacity (gallons) (gal)26.0
Fuel Economy  
EPA City (mpg)14151315131220
EPA Hwy (mpg)19
  • 21 (Work Truck, SLE, SLT)
  • 22 (XFE)
18211823