2018 GMC Terrain Wheel & Tire Sizes
Complete fitment guide for the 2018 GMC Terrain: factory tire sizes, compatible wheel diameters, widths and offsets, and the 5x115 bolt pattern, for every trim.
Bolt Pattern
5x115 / 5x120
Varies by trim
Centre Bore
70.3 mm
Lug nuts
M12 x 1.5
Torque: 140 Nm
TPMS
315 MHz
Factory (OEM) Tire Sizes for the 2018 GMC Terrain
Click any size to shop tires in stock now, free shipping anywhere in Canada, optional installation at our 5 GTA locations.
2018 GMC Terrain Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2018 GMC Terrain configuration.
1.5T · SUV, 5d
1.5L · I4 · Petrol · Bolt pattern: 5x115
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 17–24" |
| Wheel width | 7–9" |
| Wheel offset | 30–42 mm |
| Tire width | 225–255 mm |
1.6TD · SUV, 5d
1.6L · I4 · Diesel · Bolt pattern: 5x115
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 17–24" |
| Wheel width | 7–9" |
| Wheel offset | 30–42 mm |
| Tire width | 225–255 mm |
2.0T · SUV, 5d
2.0L · I4 · Petrol · Bolt pattern: 5x115
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 18–24" |
| Wheel width | 7–9" |
| Wheel offset | 30–42 mm |
| Tire width | 225–255 mm |
2.4i · SUV, 5d
2.4L · I4 · Petrol · Bolt pattern: 5x120
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 18–24" |
| Wheel width | 7–9" |
| Wheel offset | 30–42 mm |
| Tire width | 235–255 mm |
3.6i · SUV, 5d
3.6L · V6 · Petrol · Bolt pattern: 5x120
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 18–24" |
| Wheel width | 7–9" |
| Wheel offset | 30–42 mm |
| Tire width | 235–255 mm |
2018 GMC Terrain Fitment FAQ
What is the bolt pattern on a 2018 GMC Terrain?
The 2018 GMC Terrain uses 5x115 or 5x120 depending on trim, check the per-trim tables below to confirm which applies to your configuration. The centre bore is 70.3 mm.
What size tires fit a 2018 GMC Terrain?
Factory (OEM) tire sizes for the 2018 GMC Terrain include 225/65R17, 225/60R18, 235/55R18, 235/50R19, 235/55R19, 235/45R20, 245/45R20. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2018 GMC Terrain?
Depending on trim, the 2018 GMC Terrain 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 Terrain use?
The 2018 GMC Terrain uses M12 x 1.5 lug nuts, torqued to 140 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.