2008 Pontiac Grand Prix Tire Pressure & Sizes
On this page you can first find a list of the trims for the 2008 Pontiac Grand Prix along with the tire sizes you can expect to find on them.
Once you have your correct tire size you can then scroll down to the pressures chart and cross-reference it to find the recommended front and rear pressure rating.
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Trims & Tire Sizes
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2008 Pontiac Grand Prix Trims
Pontiac Grand Prix models built during 2008 were offered in the following trims with these tire sizes fitted as standard.
| Trim Name | Tire Size/s |
|---|---|
| Base Model |
|
| GT |
|
| GXP |
|
2008 Grand Prix Tire Pressures By Size
Pontiac Grand Prix models built in 2008 with the following tire sizes are recommended to be kept at the following pressures.
| Tire Size | Front | Rear |
|---|---|---|
|
P225/55R17 95H "P" tires are designed for carrying "passengers" only |
30 PSI | 30 PSI |
|
P225/60R16 97S "P" tires are designed for carrying "passengers" only |
30 PSI | 30 PSI |
|
F: P255/45R18 99W
R: P225/50R18 94W |
30 PSI | 30 PSI |
What Do These Numbers Mean?
When comparing tires you will find that they display various numbers and codes along the edges.
These numbers help you choose the right tire (size and speed rating) for your car and the following image shows you what each of them mean:
Pontiac Grand Prix
- Manufacturer: Pontiac
- Model: Grand Prix
We have found 3 different tire sizes for the 2008 Pontiac Grand Prix as well as the correct pressure to inflate them to.