2025 Buick Enclave Bolt Pattern & Tire Size
The 2025 Buick Enclave OEM tire size, bolt pattern, and wheel specifications are listed below. All data is based on industry-standard OEM reference specifications.
The 2025 Buick Enclave has a 6x120 bolt pattern, an OEM tire size of 255/55R20, and a 66.9mm center bore.
Other years of the Buick Enclave
2025 Buick Enclave Engine & Trim Levels
Detailed tire and wheel breakdown for the 2025 Buick Enclave
Tire geometry â 255/55R20
The 255/55R20 fitted to the 2025 Buick Enclave has a section width of 255mm and an aspect ratio of 55%, mounted on a 20-inch rim. That gives a sidewall height of 140.3mm (5.52") and an overall outside diameter of 788.5mm (31.04"). At highway speed this tire completes roughly 404 revolutions per kilometre, which is what your speedometer and odometer are calibrated against.
Plus-sizing window
If you want to upsize wheels on the 2025 Buick Enclave while keeping the speedometer accurate, target a 265/48R21 (plus-one). For a softer ride or winter setup, a 245/62R19 (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 2025 Buick Enclave uses a 6x120 bolt pattern with a 66.9mm hub bore. Safe rim width range for the OEM tire is 7.5J â 8.5J, 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 2025 Buick Enclave 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
Frequently Asked Questions
What tire size does the 2025 Buick Enclave Avenir use?
The 2025 Buick Enclave Avenir uses 255/55R20 tires as standard equipment.
What is the bolt pattern of the 2025 Buick Enclave?
The 2025 Buick Enclave has a 6x120 bolt pattern with a center bore of 66.9mm.
What is the wheel offset of the 2025 Buick Enclave?
The 2025 Buick Enclave has a wheel offset of ET50.
Other Vehicles with 6x120 Bolt Pattern
The following vehicles share the same 6x120 bolt pattern as the 2025 Buick Enclave, making wheel interchangeability possible (verify offset and center bore before swapping).