2011 GMC Sierra 2500 HD 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 2011 GMC Sierra 2500 HD Extended Cab, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 8x180 |
|---|---|
| Lug Nut / Bolt Size | 14x1.5 |
| Center Bore (CB) | 124.9 mm |
| Offset (ET) | 44 |
| Torque Specs | 140 ft-lbs (190 Nm) |
2011 Sierra 2500 HD Extended Cab — Year-Specific Fitment Context
The 2011 model year marks the beginning of the GMC Sierra 2500 HD Extended Cab's 8x180 bolt pattern era, which continued through 2013 (3 consecutive years). Wheels from any 2011–2013 GMC Sierra 2500 HD Extended Cab are cross-compatible with the 2011 model. Note: the 2010 model used a different pattern (8x165.1), so its wheels are NOT interchangeable with the 2011. Across its full production run (1999–2013), the Sierra 2500 HD Extended Cab has also used: 8x165.1.
GMC Sierra 2500 HD Extended Cab Bolt Pattern by Year
The table below shows how the Sierra 2500 HD Extended Cab's wheel specifications have changed over the years. The 2011 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 1999 | 8x165.1 | 116.7 | 20-40 |
| 2000 | 8x165.1 | 116.7 | 20-40 |
| 2001 | 8x165.1 | 116.7 | 20-40 |
| 2002 | 8x165.1 | 116.7 | 20-40 |
| 2003 | 8x165.1 | 116.7 | 20-40 |
| 2004 | 8x165.1 | 116.7 | 20-40 |
| 2005 | 8x165.1 | 116.7 | 20-40 |
| 2006 | 8x165.1 | 116.7 | 20-40 |
| 2007 | 8x165.1 | 116.7 | 20-40 |
| 2008 | 8x165.1 | 116.7 | 20-40 |
| 2009 | 8x165.1 | 116.7 | 20-40 |
| 2010 | 8x165.1 | 116.7 | 20-40 |
| ▸ 2011 | 8x180 | 124.9 | 44 |
| 2012 | 8x180 | 124.9 | 44 |
| 2013 | 8x180 | 124.9 | 44 |
8x180 Pattern Context
This bolt pattern appears on 247 vehicles in our current database and is considered moderately common.
Examples of other vehicles using 8x180:
Expert Buying Guide for 2011 GMC Sierra 2500 HD Extended Cab
For your 2011 GMC Sierra 2500 HD Extended Cab, the 8x180 bolt pattern and 124.9mm center bore are critical. Aftermarket wheels often have a larger center bore (e.g., 125.1mm), requiring hub-centric rings to prevent vibrations and ensure proper load distribution. The factory offset is 44mm; deviations beyond ±10mm may cause rubbing or clearance issues. Always use 14x1.5 lug nuts with the correct seat type—factory wheels use a conical (60-degree) seat, while aftermarket may require ball or shank-style nuts. Mismatched lug nuts can lead to wheel loosening. Verify hub bore and offset before purchase.
Historical Fitment Data Reference
In our dataset, GMC Sierra 2500 HD Extended Cab appears from 1999 to 2013 (15 model years). Across model years, this model appears with 2 bolt patterns (8x165.1, 8x180).
- Observed bolt-pattern variants for this model: 2
- Observed center-bore variants for this model: 2
- Observed lug-size variants for this model: 1
- Observed total offset span across years: 84.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50-100 miles of driving to prevent loosening.
- ✅ Avoid using wheels from 2010 or earlier models (8x165.1 pattern) as they are not compatible.
- ✅ Check for brake caliper clearance when changing offset; aftermarket wheels may require spacers.
- ⚠️ Torque lugs in a star pattern to 140 ft-lbs (190 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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2011 GMC Sierra 2500 HD Extended Cab — Frequently Asked Questions
What is the bolt pattern for a 2011 GMC Sierra 2500 HD Extended Cab?
The 2011 GMC Sierra 2500 HD Extended Cab uses a 8x180 bolt pattern (also called lug pattern or PCD). The center bore is 124.9mm and the offset is 44mm.
What other years of GMC Sierra 2500 HD Extended Cab have the same bolt pattern as the 2011?
The GMC Sierra 2500 HD Extended Cab uses the 8x180 pattern from 2011 through 2013. Wheels from any of these model years are dimensionally compatible with the 2011, provided the offset and center bore also match.
Can I use 2010 GMC Sierra 2500 HD Extended Cab wheels on a 2011?
No. The 2010 Sierra 2500 HD Extended Cab used a 8x165.1 bolt pattern, which differs from the 2011's 8x180. They are not interchangeable.
What does 44mm offset mean for the 2011 Sierra 2500 HD Extended Cab?
An offset of 44mm means the wheel's mounting surface is 44mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your GMC.
What is the PCD for a 2011 GMC Sierra 2500 HD Extended Cab?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2011 Sierra 2500 HD Extended Cab, the PCD is 8x180.
Do 2011 GMC Sierra 2500 HD Extended Cabs use lug bolts or lug nuts?
The 2011 Sierra 2500 HD Extended Cab requires 14x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
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