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2008 Pontiac G8 Specifications

 G8 G8
General 
Driven WheelsRWD
Engine 
PowertrainInternal Combustion
PositionFront
ConfigurationV
Cylinders68
Fuel TypeGasoline
Displacement (cc)35645967
Max. Power (bhp)256361
Max. Power @RPM63005300
Max. Torque (lbft)248385
Max. Torque @RPM21004400
Transmission 
Transmission TypeAutomatic
# Gears (excl Rev)56
Suspension 
Type - Front SuspensionMacPherson strut/lower arm
Type - Rear SuspensionMultilink
Brakes 
Type - Front BrakesVented Disc
Type - Rear BrakesVented Disc
Fr. Diameter (in)11.7312.64
Rr. Diameter (in)11.8912.76
ABSStd
Traction ControlStd
Stability ControlStd
Wheels/Tires 
Tire Size F/R245/45R18
Vehicle Dimensions 
Curb Weight (lb)38853995
Front Track (in)62.7
Rear Track (in)63.3
Height (in)57.7
Length (in)196.1
Wheelbase (in)114.8
Width (in)74.8
Interior Specs 
Head Rm F (in)38.7
Head Rm 2nd (in)38.0
Shlder Rm F (in)59.1
Shlder Rm 2nd (in)59.1
Hip Room F (in)56.7
Hip Room 2nd (in)58.0
Leg Room F (in)42.2
Leg Room 2nd (in)39.4
Seating Positions F2
Seating Positions 2nd3
Cargo Volume (cu ft)17.5
Fuel Economy 
EPA City (mpg)1715
EPA Hwy (mpg)2524