2008 Chevrolet Avalanche 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 Avalanche, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 6x139.7 (6x5.5") |
|---|---|
| Lug Nut / Bolt Size | N 14x1.50 |
| Center Bore (CB) | 78.1 mm |
| Offset (ET) | 31 |
| Torque Specs | 100 ft-lbs (135 Nm) |
2008 Avalanche — Year-Specific Fitment Context
The 2008 Chevrolet Avalanche is in year 2 of 7 using the 6x139.7 pattern (2007–2013). Wheels from any 2007–2013 Chevrolet Avalanche are cross-compatible with the 2008 model.
Chevrolet Avalanche Bolt Pattern by Year
The table below shows how the Avalanche's wheel specifications have changed over the years. The 2008 model year is highlighted.
Fitment Notes
The 2008 Chevrolet Avalanche 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 Avalanche appears from 2007 to 2013 (7 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:
2008 Chevrolet Avalanche — Frequently Asked Questions
What is the bolt pattern for a 2008 Chevrolet Avalanche?
The 2008 Chevrolet Avalanche uses a 6x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 78.1mm and the offset is 31mm.
What other years of Chevrolet Avalanche have the same bolt pattern as the 2008?
The Chevrolet Avalanche uses the 6x139.7 pattern from 2007 through 2013. Wheels from any of these model years are dimensionally compatible with the 2008, provided the offset and center bore also match.
Do 2008 Chevrolet Avalanches use lug bolts or lug nuts?
The 2008 Avalanche requires N 14x1.50 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
Why is matching the 78.1mm center bore important for the 2008 Avalanche?
The 78.1mm 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 2008 Avalanche?
Only if they share the exact same 6x139.7 bolt pattern, a compatible offset, and a center bore equal to or larger than 78.1mm.
What lug nut size does the 2008 Chevrolet Avalanche use?
The 2008 Chevrolet Avalanche uses N 14x1.50 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
Fitment Checklist Before You Buy Wheels
- Torque lugs in a star pattern to 100 ft-lbs (135 Nm), then re-check torque after 50-100 km (30-60 miles).
Editorial Fitment Notes
Chevrolet Avalanche 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: 2007-2013 (7 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 2008 Chevrolet Avalanche, please report it via our About page contact so we can verify and update this record.