Pontiac Grand Prix Wheels and Rims

Pontiac Grand Prix Aftermarket Wheel Fitment

The Pontiac Grand Prix was Pontiac's mid-size W-body car, with a nameplate that ran from 1962 through 2008 across multiple platforms. Element Wheels measures fitment on the 1997-2008 Grand Prix, which covers the 7th and 8th generation W-body sedan and coupe. Every Grand Prix in that range shares the same hub: 5x115 bolt pattern, 70.3mm hub bore, M12x1.5 lug thread, 5 lugs. That includes the GT and GTP trims and the Grand Prix GXP with the LS4 5.3L V8. The Grand Prix diameter window runs 15 to 20 inch and the width window runs 6 to 9 inch. Pick the catalog row below.

Find Your Pontiac Grand Prix Generation

The 1997-2008 Grand Prix is the W-body range we have measured. This covers the 7th generation (1997-2003) and the 8th generation (2004-2008), including the GT, GTP, and the front wheel drive V8 GXP variant. Every trim in this range uses the same hub geometry on the catalog, so a wheel that fits one Grand Prix in this range fits the rest. Pre-1997 Grand Prix nameplates ran on different GM platforms (W-body first generation 1988-1996, and the earlier RWD A-body and G-body lineage 1962-1987) and are not part of this catalog.

The Pontiac Grand Prix Bolt Pattern

The 1997-2008 Grand Prix uses a 5x115 bolt pattern with a 70.3mm hub bore and an M12x1.5 lug thread. 5x115 is GM's classic mid-size sedan and coupe bolt pattern from that era. The same 5x115 spec appears across the GM W-body cars of the 1990s and 2000s: the Buick Regal, the Oldsmobile Intrigue, the Chevrolet Lumina, and the Chevrolet Monte Carlo (the coupe variant of the W-body). The 70.3mm hub bore matches across those same W-body cars.

Important distinction: 5x115 and 5x114.3 are NOT the same bolt pattern, and the difference matters on the road. The two patterns sit roughly 0.7mm apart on the hub circle. That gap is small enough that the studs will start through a 5x114.3 lug hole on a 5x115 hub, but the seating will be off-center and the studs will be stressed unevenly. Over miles, that mismatch leads to wheel wobble and, in worse cases, lug failure. The 5x4.5 imperial nickname (114.3mm equals 4.5 inch) refers only to 5x114.3. The Grand Prix is 5x115 specifically. Confirm the 5x115 spec on your Grand Prix before ordering a wheel labeled 5x114.3. Compare across the rest of the Pontiac lineup at our Pontiac wheels and rims hub.

Why Grand Prix Fitment Is Stable Across Every Trim

The W-body Grand Prix kept the same hub geometry across both production generations (7th gen 1997-2003 and 8th gen 2004-2008) and across every trim. Base, SE, GT, GTP, and the Grand Prix GXP all share the same bolt pattern, hub bore, lug thread, and brake package on the catalog. The GTP ran the supercharged 3.8L V6 in the 7th gen and a Series III supercharged 3.8L in the 8th gen. The GXP went a different direction in 2006-2008 and ran the LS4 5.3L V8 in a front wheel drive layout, the same engine GM put in the contemporary Chevy Impala SS and Monte Carlo SS. None of those engine choices came with a different hub or brake spec. A wheel that fits a base 2005 Grand Prix sedan also fits a 2005 Grand Prix GTP and a 2007 Grand Prix GXP.

The diameter window we comfortably measure on the W-body Grand Prix runs 15 inch on the low end up to 20 inch on the show-build end. Factory wheels ranged 15 to 18 inch across the production run (with the GXP running an 18 inch factory wheel). 18 to 19 inch is the most common Grand Prix aftermarket choice for everyday driving. We measure each generation directly so the catalog reflects what actually clears the fender and the brake, not just what the spec sheet implies.

Every wheel we recommend is backed by our Fitment Guarantee. If a wheel does not fit, we pick up the wheels and refund 100 percent. No risk to you.

How We Confirm Fitment on Pontiac Grand Prix Wheels

Element Wheels measures fitment on the Grand Prix directly, across the base sedan, GT, GTP, and the Grand Prix GXP. For the Grand Prix that means hub bore confirmation at 70.3mm, clearance from the wheel to the fender on a stock-height car, gap between the back of the wheel and the front strut, brake caliper height at the standard W-body spec, lug seat depth, and lug thread confirmation at M12x1.5. At our fitment facility in Chandler, Arizona, the Element Wheels team measures directly on the physical platforms we support. We don't pull specs from manufacturer sheets the way most retailers do.

Pontiac Grand Prix Wheels and Rims FAQ

Get Pontiac Grand Prix Wheels Right the First Time

Pick the catalog row above to see wheels and rims that fit. We measure on the 1997-2008 W-body Grand Prix sedan across the base trim, GT, GTP, and the Grand Prix GXP V8. The 5x115 / 70.3mm hub spec is shared with the Chevrolet Impala, Lumina, Monte Carlo, Buick Regal, and Olds Intrigue of the same era. Find your fit and start enjoying your build sooner.