2014 GMC Acadia SLE
The 2014 GMC Acadia SLE tire size and wheel specifications below reflect standard OEM reference fitment data for this trim level.
Detailed tire and wheel breakdown for the 2014 GMC Acadia
Tire geometry â 255/65R18
The 255/65R18 fitted to the 2014 GMC Acadia has a section width of 255mm and an aspect ratio of 65%, mounted on a 18-inch rim. That gives a sidewall height of 165.8mm (6.53") and an overall outside diameter of 788.7mm (31.05"). 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 2014 GMC Acadia while keeping the speedometer accurate, target a 265/58R19 (plus-one). For a softer ride or winter setup, a 245/73R17 (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 2014 GMC Acadia uses a 6x132 bolt pattern with a 74.5mm hub bore. Safe rim width range for the OEM tire is 7.0J â 8.0J, 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 2014 GMC Acadia 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%.
Fitment Specifications
| Engine & Trim | Tire Size | Rim Size | Offset (ET) |
|---|---|---|---|
| SLE | 255/65R18 | 18" x 7.5 | ET50 |
Frequently Asked Questions
What tire size does the 2014 GMC Acadia SLE use?
The 2014 GMC Acadia SLE uses 255/65R18 tires as standard equipment.
What is the bolt pattern of the 2014 GMC Acadia SLE?
The 2014 GMC Acadia SLE has a 6x132 bolt pattern with a center bore of 74.5mm.
What is the wheel offset of the 2014 GMC Acadia SLE?
The 2014 GMC Acadia SLE has a wheel offset of ETET50.