2004 Pontiac Grand Prix GXP
The 2004 Pontiac Grand Prix GXP tire size and wheel specifications below reflect standard OEM reference fitment data for this trim level.
Bolt Pattern5x115
Center Bore70.3
Stud SizeM 12x1.5
Fitment Specifications
| Engine & Trim | Tire Size | Rim Size | Offset (ET) |
|---|---|---|---|
| GXP | 255/45R18 Rear: 225/50R18 | 18" x 8.0 | ET40 |
Frequently Asked Questions
What tire size does the 2004 Pontiac Grand Prix GXP use?
The 2004 Pontiac Grand Prix GXP uses 255/45R18 tires as standard equipment.
What is the bolt pattern of the 2004 Pontiac Grand Prix GXP?
The 2004 Pontiac Grand Prix GXP has a 5x115 bolt pattern with a center bore of 70.3mm.
What is the wheel offset of the 2004 Pontiac Grand Prix GXP?
The 2004 Pontiac Grand Prix GXP has a wheel offset of ETET40.