2001 Pontiac Firebird Bolt Pattern & Tire Size
The 2001 Pontiac Firebird OEM tire size, bolt pattern, and wheel specifications are listed below. All data is based on industry-standard OEM reference specifications.
The 2001 Pontiac Firebird has a 5x120.65 bolt pattern, an OEM tire size of 275/40R17, and a 70.3mm center bore.
Other years of the Pontiac Firebird
2001 Pontiac Firebird Engine & Trim Levels
Detailed tire and wheel breakdown for the 2001 Pontiac Firebird
Tire geometry â 275/40R17
The 275/40R17 fitted to the 2001 Pontiac Firebird has a section width of 275mm and an aspect ratio of 40%, mounted on a 17-inch rim. That gives a sidewall height of 110.0mm (4.33") and an overall outside diameter of 651.8mm (25.66"). At highway speed this tire completes roughly 488 revolutions per kilometre, which is what your speedometer and odometer are calibrated against.
Plus-sizing window
If you want to upsize wheels on the 2001 Pontiac Firebird while keeping the speedometer accurate, target a 285/34R18 (plus-one). For a softer ride or winter setup, a 265/46R16 (minus-one) keeps the overall diameter within Âą3% of stock, which is the industry tolerance for ABS and stability control to stay calibrated.
Wheel fitment specs
The 2001 Pontiac Firebird uses a 5x120.65 bolt pattern with a 70.3mm hub bore. Safe rim width range for the OEM tire is 8.5J â 9.5J, and offsets in the ET45 â ET55 window will clear suspension and fender without rubbing on most setups.
Tire pressure guidance
Manufacturer-recommended cold tire pressure for the 2001 Pontiac Firebird is printed on the driver-side door jamb sticker â always defer to that value, not to the maximum pressure printed on the tire sidewall. Check pressure monthly and before long trips; under-inflation by 20% can reduce tread life by 25%.
OEM Wheel & Tire Specs
| Engine & Trim | Tire Size | Rim Size | Offset (ET) | |
|---|---|---|---|---|
| Trans Am WS6 | 17x9.0J | ET50 |
Frequently Asked Questions
What tire size does the 2001 Pontiac Firebird Trans Am WS6 use?
The 2001 Pontiac Firebird Trans Am WS6 uses 275/40R17 tires as standard equipment.
What is the bolt pattern of the 2001 Pontiac Firebird?
The 2001 Pontiac Firebird has a 5x120.65 bolt pattern with a center bore of 70.3mm.
What is the wheel offset of the 2001 Pontiac Firebird?
The 2001 Pontiac Firebird has a wheel offset of ET50.
Other Vehicles with 5x120.65 Bolt Pattern
The following vehicles share the same 5x120.65 bolt pattern as the 2001 Pontiac Firebird, making wheel interchangeability possible (verify offset and center bore before swapping).