2018 GMC Acadia Wheel & Tire Sizes
Complete fitment guide for the 2018 GMC Acadia: factory tire sizes, compatible wheel diameters, widths and offsets, and the 6x120 bolt pattern — for every trim.
Bolt Pattern
6x120
Centre Bore
66.9 mm
Lug nuts
M14 x 1.5
Torque: 190 Nm
TPMS
315 MHz
Factory (OEM) Tire Sizes for the 2018 GMC Acadia
Click any size to shop tires in stock now — free shipping anywhere in Canada, optional installation at our 5 GTA locations.
2018 GMC Acadia Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2018 GMC Acadia configuration.
2.5i · SUV, 5d
I4 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 17–24" |
| Wheel width | 7.5–10" |
| Wheel offset | 30–42 mm |
| Tire width | 235–285 mm |
3.6i · SUV, 5d
3.6L · V6 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 18–24" |
| Wheel width | 7.5–10" |
| Wheel offset | 30–42 mm |
| Tire width | 235–285 mm |
2018 GMC Acadia Fitment FAQ
What is the bolt pattern on a 2018 GMC Acadia?
The 2018 GMC Acadia uses a 6x120 bolt pattern (6 lug nuts on a 120 mm circle) with a 66.9 mm centre bore.
What size tires fit a 2018 GMC Acadia?
Factory (OEM) tire sizes for the 2018 GMC Acadia include 245/65R17, 235/65R18, 235/55R20, 255/50R20. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2018 GMC Acadia?
Depending on trim, the 2018 GMC Acadia accepts wheels from 17" up to 24" 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 2018 GMC Acadia use?
The 2018 GMC Acadia uses M14 x 1.5 lug nuts, torqued to 190 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.