2026 Ford Bronco Bolt Pattern & Tire Size
The 2026 Ford Bronco OEM tire size, bolt pattern, and wheel specifications are listed below. All data is based on industry-standard OEM reference specifications.
The 2026 Ford Bronco has a 6x139.7 bolt pattern, an OEM tire size of 315/70R17, and a 93.1mm center bore.
Other years of the Ford Bronco
2026 Ford Bronco Engine & Trim Levels
Detailed tire and wheel breakdown for the 2026 Ford Bronco
Tire geometry â 315/70R17
The 315/70R17 fitted to the 2026 Ford Bronco has a section width of 315mm and an aspect ratio of 70%, mounted on a 17-inch rim. That gives a sidewall height of 220.5mm (8.68") and an overall outside diameter of 872.8mm (34.36"). At highway speed this tire completes roughly 365 revolutions per kilometre, which is what your speedometer and odometer are calibrated against.
Plus-sizing window
If you want to upsize wheels on the 2026 Ford Bronco while keeping the speedometer accurate, target a 325/64R18 (plus-one). For a softer ride or winter setup, a 305/76R16 (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 2026 Ford Bronco uses a 6x139.7 bolt pattern with a 93.1mm hub bore. Safe rim width range for the OEM tire is 8.0J â 9.0J, and offsets in the ET25 â ET35 window will clear suspension and fender without rubbing on most setups.
Tire pressure guidance
Manufacturer-recommended cold tire pressure for the 2026 Ford Bronco 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) | |
|---|---|---|---|---|
| Wildtrak (Sasquatch) | 17x8.5J | ET30 |
Frequently Asked Questions
What tire size does the 2026 Ford Bronco Wildtrak (Sasquatch) use?
The 2026 Ford Bronco Wildtrak (Sasquatch) uses 315/70R17 tires as standard equipment.
What is the bolt pattern of the 2026 Ford Bronco?
The 2026 Ford Bronco has a 6x139.7 bolt pattern with a center bore of 93.1mm.
What is the wheel offset of the 2026 Ford Bronco?
The 2026 Ford Bronco has a wheel offset of ET30.
Other Vehicles with 6x139.7 Bolt Pattern
The following vehicles share the same 6x139.7 bolt pattern as the 2026 Ford Bronco, making wheel interchangeability possible (verify offset and center bore before swapping).