2021 Ford Bronco Wheel & Tire Sizes
Complete fitment guide for the 2021 Ford Bronco: factory tire sizes, compatible wheel diameters, widths and offsets, and the 6x139.7 bolt pattern — for every trim.
Bolt Pattern
6x139.7
Centre Bore
93.1 mm
Lug nuts
M12 x 1.5
Torque: 135 Nm
TPMS
315 MHz
Factory (OEM) Tire Sizes for the 2021 Ford Bronco
Click any size to shop tires in stock now — free shipping anywhere in Canada, optional installation at our 5 GTA locations.
2021 Ford Bronco Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2021 Ford Bronco configuration.
2.3 EcoBoost · SUV
2.3L · I4 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 16–26" |
| Wheel width | 7–12" |
| Wheel offset | -44–35 mm |
| Tire width | 255–345 mm |
2.7 EcoBoost · SUV
2.7L · V6 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 16–26" |
| Wheel width | 7–12" |
| Wheel offset | -44–35 mm |
| Tire width | 255–345 mm |
2021 Ford Bronco Fitment FAQ
What is the bolt pattern on a 2021 Ford Bronco?
The 2021 Ford Bronco uses a 6x139.7 bolt pattern (6 lug nuts on a 139.7 mm circle) with a 93.1 mm centre bore.
What size tires fit a 2021 Ford Bronco?
Factory (OEM) tire sizes for the 2021 Ford Bronco include 255/70R16, 255/75R17, LT265/70R17, LT285/70R17, LT315/70R17, 255/70R18. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2021 Ford Bronco?
Depending on trim, the 2021 Ford Bronco accepts wheels from 16" up to 26" in diameter with the correct width and offset — larger diameters typically require lower-profile tires to keep the overall rolling diameter stock.
What lug nut size does a 2021 Ford Bronco use?
The 2021 Ford Bronco uses M12 x 1.5 lug nuts, torqued to 135 Nm.
Fitment data is provided as a guide. Always verify sizes against your vehicle's door-jamb placard or with our fitment experts before ordering.