2005 Chevrolet Colorado Regular Cab Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2005 Chevrolet Colorado Regular 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) |
2005 Colorado Regular Cab — Year-Specific Fitment Context
The 2005 Chevrolet Colorado Regular Cab is in year 2 of 9 using the 6x139.7 pattern (2004–2012). Wheels from any 2004–2012 Chevrolet Colorado Regular Cab are cross-compatible with the 2005 model.
Chevrolet Colorado Regular Cab Bolt Pattern by Year
The table below shows how the Colorado Regular Cab's wheel specifications have changed over the years. The 2005 model year is highlighted.
Fitment Notes
The 2005 Chevrolet Colorado Regular 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 Regular Cab appears from 2004 to 2012 (9 model years).
Across recorded model years, this model generally keeps the same bolt pattern.
- Observed bolt-pattern variants for this model: 1
- Observed center-bore variants for this model: 1
- Observed lug-size variants for this model: 1
- 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:
2005 Chevrolet Colorado Regular Cab — Frequently Asked Questions
What is the bolt pattern for a 2005 Chevrolet Colorado Regular Cab?
The 2005 Chevrolet Colorado Regular 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 Regular Cab have the same bolt pattern as the 2005?
The Chevrolet Colorado Regular Cab uses the 6x139.7 pattern from 2004 through 2012. Wheels from any of these model years are dimensionally compatible with the 2005, provided the offset and center bore also match.
What lug nut size does the 2005 Chevrolet Colorado Regular Cab use?
The 2005 Chevrolet Colorado Regular Cab uses 12x1.5 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
How tight should I torque the lug nuts on a 2005 Chevrolet Colorado Regular 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.
What is the PCD for a 2005 Chevrolet Colorado Regular Cab?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2005 Colorado Regular Cab, the PCD is 6x139.7.
Do 2005 Chevrolet Colorado Regular Cabs use lug bolts or lug nuts?
The 2005 Colorado Regular 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).
Editorial Fitment Notes
Chevrolet Colorado Regular Cab is generally consistent in bolt-pattern records across model years, but offset and hardware should still be validated before purchase.
- Observed production years in our database: 2004-2012 (9 model years).
- Observed bolt-pattern variants: 1 (6x139.7).
- Observed total offset span across years: 0.0 mm.
- Observed center-bore variants: 1 | lug-size variants: 1.
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 2005 Chevrolet Colorado Regular Cab, please report it via our About page contact so we can verify and update this record.