2011 GMC Sierra 1500 Crew 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 1500 Crew Cab, 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.
2011 Sierra 1500 Crew Cab — Year-Specific Fitment Context
The 2011 GMC Sierra 1500 Crew Cab is in year 8 of 21 using the 6x139.7 pattern (2004–2024). Wheels from any 2004–2024 GMC Sierra 1500 Crew Cab are cross-compatible with the 2011 model.
GMC Sierra 1500 Crew Cab Bolt Pattern by Year
The table below shows how the Sierra 1500 Crew Cab's wheel specifications have changed over the years. The 2011 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 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 |
| 2015 | 6x139.7 | 78.1 | 20-30 |
| 2016 | 6x139.7 | 78.1 | 20-30 |
| 2017 | 6x139.7 | 78.1 | 20-30 |
| 2018 | 6x139.7 | 78.1 | 20-30 |
| 2019 | 6x139.7 | 78.1 | 20-30 |
| 2020 | 6x139.7 | 78.1 | 20-30 |
| 2021 | 6x139.7 | 78.1 | 20-30 |
| 2022 | 6x139.7 | 78.1 | 20-30 |
| 2023 | 6x139.7 | 78.1 | 20-30 |
| 2024 | 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 2011 GMC Sierra 1500 Crew Cab
For your 2011 GMC Sierra 1500 Crew Cab, the 6x139.7 bolt pattern is shared across 2004–2024 models, ensuring broad cross-compatibility. However, the 78.1mm center bore is critical: aftermarket wheels often have larger bores, requiring hub-centric rings to prevent vibration and ensure proper load distribution. The recommended offset range is 20–30mm; straying outside this may cause rubbing or clearance issues. Always use the correct 14x1.5 lug nuts with the appropriate seat (cone or ball) matching your wheels. Improper seating can lead to wheel loosening. Safety first: verify all specs before installation.
Historical Fitment Data Reference
In our dataset, GMC Sierra 1500 Crew Cab appears from 2004 to 2024 (21 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 after 50–100 miles of driving to ensure proper seating.
- ✅ When using aftermarket wheels, verify that the wheel's hub bore is at least 78.1mm; use hub-centric rings if larger.
- ✅ Avoid using universal lug nuts; always match the seat type (cone or ball) to your wheels to prevent loosening.
- ⚠️ 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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2011 GMC Sierra 1500 Crew Cab — Frequently Asked Questions
What is the bolt pattern for a 2011 GMC Sierra 1500 Crew Cab?
The 2011 GMC Sierra 1500 Crew Cab 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 Sierra 1500 Crew Cab have the same bolt pattern as the 2011?
The GMC Sierra 1500 Crew Cab uses the 6x139.7 pattern from 2004 through 2024. Wheels from any of these model years are dimensionally compatible with the 2011, provided the offset and center bore also match.
What does 20-30mm offset mean for the 2011 Sierra 1500 Crew Cab?
An offset of 20-30mm means the wheel's mounting surface is 20-30mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your GMC.
Do 2011 GMC Sierra 1500 Crew Cabs use lug bolts or lug nuts?
The 2011 Sierra 1500 Crew Cab requires 14x1.5 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 2011 Sierra 1500 Crew Cab?
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.
What lug nut size does the 2011 GMC Sierra 1500 Crew Cab use?
The 2011 GMC Sierra 1500 Crew Cab uses 14x1.5 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
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