Body  
Generic TypeCar
Vehicle SizeMedium
Rear Roof ProfileTrunk
No Side Doors2
Powertrain  
PowertrainInternal Combustion
Engine  
Engine Designation CodeLFXL99LS3LSA
ConfigurationV
Cylinders68
Fuel TypeGasoline
Forced InductionSupercharged
Displacement (l)3.66.2
Max. Power (bhp)323400426580
Max. Power @RPM680059006100
Max. Torque (lbft)278410420556
Max. Torque @RPM4800430046003800
Compression Ratio11.510.410.79.1
Transmission  
Transmission TypeManualAutomaticManualAutomatic
Forward Gears6
Driveline  
Driven WheelsRWD
Chassis  
Chassis TypeUnitized Body/Frame
Engine PositionFront
Suspension  
Front Suspension - TypeIndependent
Rear Suspension - TypeMultilink
Brakes  
Front Brakes - TypeVented DiscBrembo Disc
Rear Brakes - TypeVented DiscBrembo Disc
Diameter - Front (in)12.614.014.6
Diameter - Rear (in)12.414.4
Wheels / Tires  
Tire Size F (,R)
  • P245/55R18 (LS, 1LT)
  • P245/50R19 (2LT)
P245/45R20,P275/40R20
  • P285/35R20 (1SS, 2SS)
  • P245/45R20,P275/40R20 (1SS, 2SS)
P285/35R20, P305/35R20
Exterior Dimensions  
Curb Weight (lb)
  • 3780 (LS)
  • 3728 (1LT, 2LT)
  • 3769 (LS)
  • 3719 (1LT, 2LT)
39023849
Wheelbase (in)112.3
Height - Body (in)54.2
Width - Body (in)75.5
Length (in)190.4
Front Track (in)63.7
Rear Track (in)64.163.7
Seating  
Rows of Seats2
Interior Dimensions  
Head Room - 1st Row (in)37.4
Head Room - 2nd Row (in)35.3
Shlder Room - 1st Row (in)56.9
Shlder Room - 2nd Row (in)42.5
Leg Room - 1st Row (in)42.4
Leg Room - 2nd Row (in)29.8
Seating Positions - 1st Row2
Seating Positions - 2nd Row2
Cargo Volume (cu ft)11.3
Energy Storage  
Fuel Capacity (gallons) (gal)19.0
Fuel Economy  
EPA City (mpg)17
  • 19 (LS)
  • 18 (1LT, 2LT)
15161412
EPA Hwy (mpg)28
  • 30 (LS)
  • 29 (1LT, 2LT)
241918