Pontiac G8 Tire Sizes

The tire size for your Pontiac G8 depends upon the year of manufacturer.  
Select the year of your G8 to narrow down the results.

20092008

Pontiac G8 Tire Size Chart

You may also view a complete tire size chart for your Pontiac G8 below.

2009 Pontiac G8

Rim SizeTire SizesPontiac G8 Options
18-Inch
245-45-18
BaseGT (All-Season Tire)GT (Summer Only)(Summer Only)
19-Inch
245-40-19
GT w/Sport Pkg. (Summer Only)GXP

2008 Pontiac G8

Rim SizeTire SizesPontiac G8 Options
18-Inch
245-45-18
BaseGT (All-Season Tire)GT (Summer Only)(Summer Only)
19-Inch
245-40-19
GT w/Sport Pkg. (Summer Only)