2008 Pontiac G8 Tire Size & Wheel Specs
The 2008 Pontiac G8 OEM tire size, bolt pattern, and wheel specifications are listed below. All data is based on industry-standard OEM reference specifications.
2008 Pontiac G8 Engine & Trim Levels
GXP
Bolt Pattern5x120
Center Bore66.9
Stud SizeM 14x1.5
OEM Wheel & Tire Specs
Frequently Asked Questions
What tire size does the 2008 Pontiac G8 GXP use?
The 2008 Pontiac G8 GXP uses 245/40R19 tires as standard equipment.
What is the bolt pattern of the 2008 Pontiac G8?
The 2008 Pontiac G8 has a 5x120 bolt pattern with a center bore of 66.9mm.
What is the wheel offset of the 2008 Pontiac G8?
The 2008 Pontiac G8 has a wheel offset of ET48.
Other Vehicles with 5x120 Bolt Pattern
The following vehicles share the same 5x120 bolt pattern as the 2008 Pontiac G8, making wheel interchangeability possible (verify offset and center bore before swapping).