2011 Chevrolet Silverado 1500 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 Chevrolet Silverado 1500 Extended Cab, 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) | 26 |
| Torque Specs | 100 ft-lbs (135 Nm) |
Imperial Match: 6x139.7 is commonly referred to as 6x5.5" in US Standard.
2011 Silverado 1500 Extended Cab — Year-Specific Fitment Context
The 2011 Chevrolet Silverado 1500 Extended Cab is in year 13 of 15 using the 6x139.7 pattern (1999–2013). Wheels from any 1999–2013 Chevrolet Silverado 1500 Extended Cab are cross-compatible with the 2011 model.
Chevrolet Silverado 1500 Extended Cab Bolt Pattern by Year
The table below shows how the Silverado 1500 Extended Cab's wheel specifications have changed over the years. The 2011 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 1999 | 6x139.7 | 78.1 | 16 |
| 2000 | 6x139.7 | 78.1 | 16 |
| 2001 | 6x139.7 | 78.1 | 16 |
| 2002 | 6x139.7 | 78.1 | 16 |
| 2003 | 6x139.7 | 78.1 | 16 |
| 2004 | 6x139.7 | 78.1 | 16 |
| 2005 | 6x139.7 | 78.1 | 16 |
| 2006 | 6x139.7 | 78.1 | 16 |
| 2007 | 6x139.7 | 78.1 | 16 |
| 2008 | 6x139.7 | 78.1 | 16 |
| 2009 | 6x139.7 | 78.1 | 26 |
| 2010 | 6x139.7 | 78.1 | 26 |
| ▸ 2011 | 6x139.7 | 78.1 | 26 |
| 2012 | 6x139.7 | 78.1 | 26 |
| 2013 | 6x139.7 | 78.1 | 26 |
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 Chevrolet Silverado 1500 Extended Cab
For your 2011 Chevrolet Silverado 1500 Extended Cab, the correct bolt pattern is 6x139.7mm with a center bore of 78.1mm. When selecting aftermarket wheels, ensure they have a center bore of at least 78.1mm; if larger, use hub-centric rings to prevent vibration and ensure proper load distribution. The factory offset is 26mm; deviations affect handling and tire clearance. Stay within ±10mm to avoid rubbing or suspension interference. Always use lug nuts with the correct thread pitch (14x1.50) and seat type (conical/ball seat) matching the wheel. Improper lug nuts can cause wheel detachment. Re-torque after 50-100 miles of driving.
Historical Fitment Data Reference
In our dataset, Chevrolet Silverado 1500 Extended Cab appears from 1999 to 2013 (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: 10.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts to 140 ft-lbs after 50-100 miles of driving.
- ✅ Avoid wheels with a center bore smaller than 78.1mm; they won't fit over the hub.
- ✅ Check for caliper clearance with aftermarket wheels, especially if offset is less than 26mm.
- ⚠️ 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 Chevrolet Silverado 1500 Extended Cab — Frequently Asked Questions
What is the bolt pattern for a 2011 Chevrolet Silverado 1500 Extended Cab?
The 2011 Chevrolet Silverado 1500 Extended Cab uses a 6x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 78.1mm and the offset is 26mm.
What other years of Chevrolet Silverado 1500 Extended Cab have the same bolt pattern as the 2011?
The Chevrolet Silverado 1500 Extended Cab uses the 6x139.7 pattern from 1999 through 2013. Wheels from any of these model years are dimensionally compatible with the 2011, provided the offset and center bore also match.
Will wheels from another Chevrolet fit my 2011 Silverado 1500 Extended Cab?
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 does 26mm offset mean for the 2011 Silverado 1500 Extended Cab?
An offset of 26mm means the wheel's mounting surface is 26mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Chevrolet.
What lug nut size does the 2011 Chevrolet Silverado 1500 Extended Cab use?
The 2011 Chevrolet Silverado 1500 Extended Cab uses N 14x1.50 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
What is the PCD for a 2011 Chevrolet Silverado 1500 Extended Cab?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2011 Silverado 1500 Extended Cab, the PCD is 6x139.7.
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