2009 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 2009 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.
2009 Sierra 1500 Crew Cab — Year-Specific Fitment Context
The 2009 GMC Sierra 1500 Crew Cab is in year 6 of 21 using the 6x139.7 pattern (2004–2024). Wheels from any 2004–2024 GMC Sierra 1500 Crew Cab are cross-compatible with the 2009 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 2009 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 2009 GMC Sierra 1500 Crew Cab
For your 2009 GMC Sierra 1500 Crew Cab, the 6x139.7 bolt pattern is shared across 2004–2024 models, but critical specs differ. The 78.1mm center bore must match aftermarket wheels; if larger, use hub-centric rings to prevent vibration and lug nut stress. Offset must stay within 20–30mm to avoid rubbing or suspension interference. Always use 14x1.5 lug nuts with the correct seat type—conical (60-degree) for most aftermarket wheels, or ball seat for factory wheels. Mismatched seats cause loose wheels and accidents. Re-torque after 50–100 miles.
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 to 140 ft-lb after 50–100 miles of driving.
- ✅ Avoid wheels with offset below 20mm; they may rub the fender or brake calipers.
- ✅ Use hub-centric rings if aftermarket wheel bore exceeds 78.1mm; plastic rings are fine for street use.
- ⚠️ 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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2009 GMC Sierra 1500 Crew Cab — Frequently Asked Questions
What is the bolt pattern for a 2009 GMC Sierra 1500 Crew Cab?
The 2009 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 2009?
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 2009, provided the offset and center bore also match.
What does 20-30mm offset mean for the 2009 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.
Will wheels from another GMC fit my 2009 Sierra 1500 Crew 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.
Can I use spacers on my 2009 GMC Sierra 1500 Crew Cab?
Yes, but ensure the wheel spacers match the 6x139.7 bolt pattern and 78.1mm center bore. Also verify that you have enough thread engagement for your 14x1.5 hardware.
What is the center bore of a 2009 GMC Sierra 1500 Crew Cab?
The factory center bore (hub bore) for the 2009 GMC Sierra 1500 Crew Cab is 78.1mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
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