2015 GMC Terrain Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2015 GMC Terrain, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x120 |
|---|---|
| Lug Nut / Bolt Size | 14x1.5 |
| Center Bore (CB) | 66.9 mm |
| Offset (ET) | 40 |
| Torque Specs | 100 ft-lbs (135 Nm) |
2015 Terrain — Year-Specific Fitment Context
The 2015 GMC Terrain is in year 6 of 8 using the 5x120 pattern (2010–2017). Wheels from any 2010–2017 GMC Terrain are cross-compatible with the 2015 model. Across its full production run (2010–2024), the Terrain has also used: 5x115.
GMC Terrain Bolt Pattern by Year
The table below shows how the Terrain's wheel specifications have changed over the years. The 2015 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 2010 | 5x120 | 66.9 | 40 |
| 2011 | 5x120 | 66.9 | 40 |
| 2012 | 5x120 | 66.9 | 40 |
| 2013 | 5x120 | 66.9 | 40 |
| 2014 | 5x120 | 66.9 | 40 |
| ▸ 2015 | 5x120 | 66.9 | 40 |
| 2016 | 5x120 | 66.9 | 40 |
| 2017 | 5x120 | 66.9 | 40 |
| 2018 | 5x115 | 70.3 | 40 |
| 2019 | 5x115 | 70.3 | 40 |
| 2020 | 5x115 | 70.3 | 40 |
| 2021 | 5x115 | 70.3 | 40 |
| 2022 | 5x115 | 70.3 | 40 |
| 2023 | 5x115 | 70.3 | 40 |
| 2024 | 5x115 | 70.3 | 40 |
5x120 Pattern Context
This bolt pattern appears on 633 vehicles in our current database and is considered common.
Examples of other vehicles using 5x120:
Expert Buying Guide for 2015 GMC Terrain
For your 2015 GMC Terrain, the bolt pattern is 5x120 with a center bore of 66.9mm. When selecting aftermarket wheels, ensure they have a center bore of at least 66.9mm or use hub-centric rings to prevent vibration and ensure proper load distribution. The factory offset is 40mm; staying within ±5mm is recommended to avoid rubbing or clearance issues with suspension and brake components. Always use the correct lug nuts: 14x1.5 thread pitch with a conical (60-degree) seat. Never use ball-seat lug nuts, as they can cause wheel loosening. Re-torque lug nuts after 50 miles of driving.
Historical Fitment Data Reference
In our dataset, GMC Terrain appears from 2010 to 2024 (15 model years). Across model years, this model appears with 2 bolt patterns (5x115, 5x120).
- Observed bolt-pattern variants for this model: 2
- Observed center-bore variants for this model: 2
- Observed lug-size variants for this model: 2
- Observed total offset span across years: 0.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts to 100 ft-lb after 50 miles of driving.
- ✅ If using aftermarket wheels, verify hub-centric ring size (66.9mm to wheel bore) to avoid vibrations.
- ✅ Avoid wheels with offset below 35mm or above 45mm to prevent rubbing on struts or fenders.
- ⚠️ Confirm bolt pattern carefully. 5x120 is often confused with other common 5-lug patterns.
- ⚠️ Torque lugs in a star pattern to 100 ft-lbs (135 Nm), then re-check torque after 50-100 km (30-60 miles).
- ⚠️ This model has multiple bolt-pattern records across years. Match wheels to exact year/trim before purchase.
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2015 GMC Terrain — Frequently Asked Questions
What is the bolt pattern for a 2015 GMC Terrain?
The 2015 GMC Terrain uses a 5x120 bolt pattern (also called lug pattern or PCD). The center bore is 66.9mm and the offset is 40mm.
What other years of GMC Terrain have the same bolt pattern as the 2015?
The GMC Terrain uses the 5x120 pattern from 2010 through 2017. Wheels from any of these model years are dimensionally compatible with the 2015, provided the offset and center bore also match.
How do I measure the bolt pattern on my 2015 GMC?
The 2015 Terrain uses a 5x120 pattern. For 4, 6, or 8-lug wheels, measure center-to-center across opposite holes. For 5-lug, measure from the center of one hole to the back of the opposite hole.
Why is matching the 66.9mm center bore important for the 2015 Terrain?
The 66.9mm center bore ensures the wheel is perfectly centered on the hub. If the wheel is lug-centric instead of hub-centric, you may experience steering wheel vibration at highway speeds.
What lug nut size does the 2015 GMC Terrain use?
The 2015 GMC Terrain uses 14x1.5 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
What is the PCD for a 2015 GMC Terrain?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2015 Terrain, the PCD is 5x120.
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