2008 GMC Yukon XL 1500 Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2008 GMC Yukon XL 1500, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 6x139.7 (6x5.5") |
|---|---|
| Lug Nut / Bolt Size | 14x1.5 |
| Center Bore (CB) | 78.1 mm |
| Offset (ET) | 20-30 |
| Torque Specs | 100 ft-lbs (135 Nm) |
Imperial Match: 6x139.7 is commonly referred to as 6x5.5" in US Standard.
2008 Yukon XL 1500 — Year-Specific Fitment Context
The 2008 GMC Yukon XL 1500 is in year 9 of 15 using the 6x139.7 pattern (2000–2014). Wheels from any 2000–2014 GMC Yukon XL 1500 are cross-compatible with the 2008 model.
GMC Yukon XL 1500 Bolt Pattern by Year
The table below shows how the Yukon XL 1500's wheel specifications have changed over the years. The 2008 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 2000 | 6x139.7 | 78.1 | 20-30 |
| 2001 | 6x139.7 | 78.1 | 20-30 |
| 2002 | 6x139.7 | 78.1 | 20-30 |
| 2003 | 6x139.7 | 78.1 | 20-30 |
| 2004 | 6x139.7 | 78.1 | 20-30 |
| 2005 | 6x139.7 | 78.1 | 20-30 |
| 2006 | 6x139.7 | 78.1 | 20-30 |
| 2007 | 6x139.7 | 78.1 | 20-30 |
| ▸ 2008 | 6x139.7 | 78.1 | 20-30 |
| 2009 | 6x139.7 | 78.1 | 20-30 |
| 2010 | 6x139.7 | 78.1 | 20-30 |
| 2011 | 6x139.7 | 78.1 | 20-30 |
| 2012 | 6x139.7 | 78.1 | 20-30 |
| 2013 | 6x139.7 | 78.1 | 20-30 |
| 2014 | 6x139.7 | 78.1 | 20-30 |
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 2008 GMC Yukon XL 1500
For your 2008 GMC Yukon XL 1500, the 6x139.7 bolt pattern is shared with 2000–2014 models, but critical specs differ. The 78.1mm center bore must match aftermarket wheels exactly; use hub-centric rings (78.1mm ID to wheel hub OD) to prevent vibrations and hub damage. Offset must stay within 20–30mm; deviating risks rubbing or poor handling. Always use 14x1.5 lug nuts with the correct seat—cone seat (60-degree) is standard for this vehicle. Never use ball-seat lug nuts; they can loosen. Torque to 140 ft-lbs and re-torque after 50 miles. Avoid wheels with a larger center bore unless you have proper rings.
Historical Fitment Data Reference
In our dataset, GMC Yukon XL 1500 appears from 2000 to 2014 (15 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: 50.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts to 140 ft-lbs after 50 miles of driving to ensure proper seating.
- ✅ Verify aftermarket wheels have a 78.1mm center bore; use hub-centric rings if larger.
- ✅ Check offset carefully: 20–30mm is safe; lower offset may rub suspension or fenders.
- ⚠️ This fitment uses a wide offset range. Check brake clearance and fender clearance before buying wheels.
- ⚠️ Torque lugs in a star pattern to 100 ft-lbs (135 Nm), then re-check torque after 50-100 km (30-60 miles).
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2008 GMC Yukon XL 1500 — Frequently Asked Questions
What is the bolt pattern for a 2008 GMC Yukon XL 1500?
The 2008 GMC Yukon XL 1500 uses a 6x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 78.1mm and the offset is 20-30mm.
What other years of GMC Yukon XL 1500 have the same bolt pattern as the 2008?
The GMC Yukon XL 1500 uses the 6x139.7 pattern from 2000 through 2014. Wheels from any of these model years are dimensionally compatible with the 2008, provided the offset and center bore also match.
How do I measure the bolt pattern on my 2008 GMC?
The 2008 Yukon XL 1500 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.
Will wheels from another GMC fit my 2008 Yukon XL 1500?
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 GMC Yukon XL 1500 use?
The 2008 GMC Yukon XL 1500 uses 14x1.5 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
Do 2008 GMC Yukon XL 1500s use lug bolts or lug nuts?
The 2008 Yukon XL 1500 requires 14x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
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