2004 GMC Canyon Extended Cab Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2004 GMC Canyon Extended Cab, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 6x139.7 (6x5.5") |
|---|---|
| Lug Nut / Bolt Size | 12x1.5 |
| Center Bore (CB) | 100.3 mm |
| Offset (ET) | 33 |
| Torque Specs | 80 ft-lbs (108 Nm) |
Imperial Match: 6x139.7 is commonly referred to as 6x5.5" in US Standard.
2004 Canyon Extended Cab — Year-Specific Fitment Context
The 2004 model year marks the beginning of the GMC Canyon Extended Cab's 6x139.7 bolt pattern era, which continued through 2012 (9 consecutive years). Wheels from any 2004–2012 GMC Canyon Extended Cab are cross-compatible with the 2004 model. Across its full production run (2004–2022), the Canyon Extended Cab has also used: 6x120.
GMC Canyon Extended Cab Bolt Pattern by Year
The table below shows how the Canyon Extended Cab's wheel specifications have changed over the years. The 2004 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| ▸ 2004 | 6x139.7 | 100.3 | 33 |
| 2005 | 6x139.7 | 100.3 | 33 |
| 2006 | 6x139.7 | 100.3 | 33 |
| 2007 | 6x139.7 | 100.3 | 33 |
| 2008 | 6x139.7 | 100.3 | 33 |
| 2009 | 6x139.7 | 100.3 | 33 |
| 2010 | 6x139.7 | 100.3 | 33 |
| 2011 | 6x139.7 | 100.3 | 33 |
| 2012 | 6x139.7 | 100.3 | 33 |
| 2015 | 6x120 | 66.9 | 33 |
| 2016 | 6x120 | 66.9 | 33 |
| 2017 | 6x120 | 66.9 | 33 |
| 2018 | 6x120 | 66.9 | 33 |
| 2019 | 6x120 | 66.9 | 33 |
| 2021 | 6x120 | 66.9 | 33 |
| 2022 | 6x120 | 66.9 | 33 |
6x139.7 Pattern Context
This bolt pattern appears on 1067 vehicles in our current database and is considered common.
Examples of other vehicles using 6x139.7:
Expert Buying Guide for 2004 GMC Canyon Extended Cab
For your 2004 GMC Canyon Extended Cab, the 6x139.7 bolt pattern is shared with 2004–2012 models, ensuring cross-compatibility. The 100.3mm center bore is critical: aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibration and ensure proper load distribution. Offset is sensitive; the factory 33mm offset maintains suspension geometry and tire clearance. Deviating significantly can cause rubbing or bearing stress. Always verify lug nut thread pitch (12x1.5) and seat type—factory uses conical (60-degree) seats. Using incorrect lug nuts (e.g., ball seat) can lead to wheel loosening. Re-torque after 50 miles of driving.
Historical Fitment Data Reference
In our dataset, GMC Canyon Extended Cab appears from 2004 to 2022 (16 model years). Across model years, this model appears with 2 bolt patterns (6x120, 6x139.7).
- 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 140 Nm (103 lb-ft) after 50 miles, then periodically.
- ✅ Avoid wheels with offset below 25mm or above 40mm to prevent rubbing or clearance issues.
- ✅ When using aftermarket wheels, always install hub-centric rings to match the 100.3mm center bore.
- ⚠️ Verify thread pitch before installation; M12x1.25 and M12x1.5 are not interchangeable.
- ⚠️ Torque lugs in a star pattern to 80 ft-lbs (108 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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2004 GMC Canyon Extended Cab — Frequently Asked Questions
What is the bolt pattern for a 2004 GMC Canyon Extended Cab?
The 2004 GMC Canyon Extended Cab uses a 6x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 100.3mm and the offset is 33mm.
What other years of GMC Canyon Extended Cab have the same bolt pattern as the 2004?
The GMC Canyon Extended Cab uses the 6x139.7 pattern from 2004 through 2012. Wheels from any of these model years are dimensionally compatible with the 2004, provided the offset and center bore also match.
How tight should I torque the lug nuts on a 2004 GMC Canyon Extended Cab?
Refer to your owner's manual for exact specs, but always tighten the 12x1.5 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
Can I put aftermarket wheels on my 2004 GMC Canyon Extended Cab?
Absolutely. Just ensure the aftermarket wheels have a 6x139.7 bolt pattern, an offset near 33mm, and a center bore of at least 100.3mm (using hub rings if larger).
How do I measure the bolt pattern on my 2004 GMC?
The 2004 Canyon Extended Cab uses a 6x139.7 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.
What does 33mm offset mean for the 2004 Canyon Extended Cab?
An offset of 33mm means the wheel's mounting surface is 33mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your GMC.
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