2005 Pontiac Grand Prix Tire Size & Pressure
The 2005 Pontiac Grand Prix tire size depends on trim: the Base takes P225/60R16 97S; the GT takes P225/60R16 97S; the GTP takes P225/55R17 95H; the GXP takes P255/45R18 99W, per the factory service manual.
- Base: P225/60R16 97S
- GT: P225/60R16 97S
- GTP: P225/55R17 95H
- GXP: P255/45R18 99W
Base
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P225/60R16 97S | Door Placard | — | — |
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Retailer searches do not verify vehicle fitment. Check the driver's door placard and wheel setup before ordering.
GT
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P225/60R16 97S | Door Placard | — | — |
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Retailer searches do not verify vehicle fitment. Check the driver's door placard and wheel setup before ordering.
GTP
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P225/55R17 95H | Door Placard | — | — |
| All | P225/55R17 95V | Door Placard | — | — |
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Retailer searches do not verify vehicle fitment. Check the driver's door placard and wheel setup before ordering.
GXP
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P255/45R18 99W | Door Placard | — | — |
| All | P225/50R18 94W | Door Placard | — | — |
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Retailer searches do not verify vehicle fitment. Check the driver's door placard and wheel setup before ordering.
More Grand Prix Specs & Repair Guides
🛢️ 2005 Pontiac Grand Prix Oil Type & Capacity →🌧️ 2005 Pontiac Grand Prix Wiper Blade Sizes →💡 2005 Pontiac Grand Prix Light Bulb Sizes →📖 2005 Pontiac Grand Prix Factory Service Manual →Powered by factory manual data from our partner network AllOEMManuals.com.
Frequently Asked Questions
What size tires does a 2005 Pontiac Grand Prix take?
It depends on the trim: Base uses P225/60R16 97S; GT uses P225/60R16 97S; GTP uses P225/55R17 95H; GXP uses P255/45R18 99W.
What is the tire pressure for a 2005 Pontiac Grand Prix?
Refer to the tire pressure placard on your vehicle's driver side door jamb for exact cold inflation pressures.
What is the bolt pattern on a 2005 Pontiac Grand Prix?
Bolt pattern data is available in the factory service manual.