2006 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 2006 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) |
Imperial Match: 6x139.7 is commonly referred to as 6x5.5" in US Standard.
2006 Colorado Extended Cab — Year-Specific Fitment Context
The 2006 Chevrolet Colorado Extended Cab is in year 3 of 9 using the 6x139.7 pattern (2004–2012). Wheels from any 2004–2012 Chevrolet Colorado Extended Cab are cross-compatible with the 2006 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 2006 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 |
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 2006 Chevrolet Colorado Extended Cab
For your 2006 Chevrolet Colorado Extended Cab, the critical fitment specs are: bolt pattern 6x139.7mm, center bore 100.3mm, offset 33mm, and lug nut size 12x1.5. When selecting aftermarket wheels, ensure the center bore matches exactly or use hub-centric rings to prevent vibration and stress on lug studs. The offset is sensitive; deviations beyond ±5mm may cause rubbing or clearance issues. Always verify lug nut seat type—factory uses conical (60-degree) seats. Using incorrect seat type can lead to wheel loosening. Cross-compatible wheels from 2004–2012 Colorado Extended Cab models fit directly. Avoid wheels with a larger center bore without proper rings.
Historical Fitment Data Reference
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
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50 miles of driving to 140 ft-lbs (190 Nm) to ensure proper seating.
- ✅ If using aftermarket wheels, always install hub-centric rings (100.3mm ID to wheel's bore) to avoid vibrations.
- ✅ Check offset carefully: stock is 33mm; going lower (e.g., 20mm) may cause tire rub on fenders, higher (e.g., 45mm) may contact suspension components.
- ⚠️ 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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2006 Chevrolet Colorado Extended Cab — Frequently Asked Questions
What is the bolt pattern for a 2006 Chevrolet Colorado Extended Cab?
The 2006 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 2006?
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 2006, provided the offset and center bore also match.
Can I use spacers on my 2006 Chevrolet Colorado Extended Cab?
Yes, but ensure the wheel spacers match the 6x139.7 bolt pattern and 100.3mm center bore. Also verify that you have enough thread engagement for your 12x1.5 hardware.
Why is matching the 100.3mm center bore important for the 2006 Colorado Extended Cab?
The 100.3mm 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.
Will wheels from another Chevrolet fit my 2006 Colorado Extended Cab?
Only if they share the exact same 6x139.7 bolt pattern, a compatible offset, and a center bore equal to or larger than 100.3mm.
What is the center bore of a 2006 Chevrolet Colorado Extended Cab?
The factory center bore (hub bore) for the 2006 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.
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