2008 Chevrolet Colorado 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 2008 Chevrolet Colorado 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) |
2008 Colorado Extended Cab — Year-Specific Fitment Context
The 2008 Chevrolet Colorado Extended Cab is in year 5 of 9 using the 6x139.7 pattern (2004–2012). Wheels from any 2004–2012 Chevrolet Colorado Extended Cab are cross-compatible with the 2008 model. Across its full production run (2004–2022), the Colorado Extended Cab has also used: 6x120.
Chevrolet Colorado Extended Cab Bolt Pattern by Year
The table below shows how the Colorado Extended Cab's wheel specifications have changed over the years. The 2008 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 |
| 2020 | 6x120 | 66.9 | 33 |
| 2021 | 6x120 | 66.9 | 33 |
| 2022 | 6x120 | 66.9 | 33 |
Fitment Notes
The 2008 Chevrolet Colorado Extended Cab has a bolt pattern of 6x139.7.
Imperial Conversion: This bolt pattern is commonly referred to as 6x5.5" in imperial units. When searching for aftermarket wheels, you may see them listed as 6x5.5".
This means it is a 6 lug pattern with a circle diameter of 139.7mm. When shopping for aftermarket wheels, ensure the "lug pattern" or "PCD" matches these numbers.
Year-to-Year Fitment Context
In our dataset, Chevrolet Colorado Extended Cab appears from 2004 to 2022 (17 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
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:
2008 Chevrolet Colorado Extended Cab — Frequently Asked Questions
What is the bolt pattern for a 2008 Chevrolet Colorado Extended Cab?
The 2008 Chevrolet Colorado 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 Chevrolet Colorado Extended Cab have the same bolt pattern as the 2008?
The Chevrolet Colorado Extended Cab uses the 6x139.7 pattern from 2004 through 2012. Wheels from any of these model years are dimensionally compatible with the 2008, provided the offset and center bore also match.
What is the center bore of a 2008 Chevrolet Colorado Extended Cab?
The factory center bore (hub bore) for the 2008 Chevrolet Colorado Extended Cab is 100.3mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
Can I put aftermarket wheels on my 2008 Chevrolet Colorado 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).
What does 33mm offset mean for the 2008 Colorado 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 Chevrolet.
Do 2008 Chevrolet Colorado Extended Cabs use lug bolts or lug nuts?
The 2008 Colorado Extended Cab requires 12x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
Fitment Checklist Before You Buy Wheels
- 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.
Editorial Fitment Notes
Chevrolet Colorado Extended Cab has multiple wheel-fitment records across generations, so matching exact year and trim is important before ordering wheels.
- Observed production years in our database: 2004-2022 (17 model years).
- Observed bolt-pattern variants: 2 (6x120, 6x139.7).
- Observed total offset span across years: 0.0 mm.
- Observed center-bore variants: 2 | lug-size variants: 2.
Data Quality & Review
Source note: Compiled from manufacturer fitment references, historical wheel data, and internal normalization rules.
Last reviewed: 2026-05-26 | Reviewed by: Bolt Pattern HQ Editorial Team
If you find a discrepancy for 2008 Chevrolet Colorado Extended Cab, please report it via our About page contact so we can verify and update this record.