2021 GMC Yukon Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2021 GMC Yukon, 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.
2021 Yukon — Year-Specific Fitment Context
The 2021 GMC Yukon is in year 30 of 34 using the 6x139.7 pattern (1992–2025). Wheels from any 1992–2025 GMC Yukon are cross-compatible with the 2021 model.
GMC Yukon Bolt Pattern by Year
The table below shows how the Yukon's wheel specifications have changed over the years. The 2021 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 1992 | 6x139.7 | 78.1 | 20-30 |
| 1993 | 6x139.7 | 78.1 | 20-30 |
| 1994 | 6x139.7 | 78.1 | 20-30 |
| 1995 | 6x139.7 | 78.1 | 20-30 |
| 1996 | 6x139.7 | 78.1 | 20-30 |
| 1997 | 6x139.7 | 78.1 | 20-30 |
| 1998 | 6x139.7 | 78.1 | 20-30 |
| 1999 | 6x139.7 | 78.1 | 20-30 |
| 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 |
| 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 |
| 2025 | 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 2021 GMC Yukon
For your 2021 GMC Yukon, the bolt pattern is 6x139.7mm with a center bore of 78.1mm. When selecting aftermarket wheels, ensure they are hub-centric or use hub-centric rings to prevent vibrations and ensure proper load distribution. The offset range is 20-30mm; staying within this range maintains factory suspension geometry and prevents rubbing. Always use lug nuts with the correct thread pitch (14x1.5) and seat type—factory wheels use a conical (60-degree) seat. Never mix seat types, as this can cause wheel loosening. Verify that aftermarket wheels clear brake calipers and have sufficient load rating for your Yukon.
Historical Fitment Data Reference
In our dataset, GMC Yukon appears from 1992 to 2025 (34 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.
- ✅ Avoid using universal fit wheels without hub-centric rings; they can cause vibration and stress on studs.
- ✅ Check that aftermarket wheels have a load rating equal to or greater than the OEM specification (typically 2,500 lbs per wheel).
- ⚠️ 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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2021 GMC Yukon — Frequently Asked Questions
What is the bolt pattern for a 2021 GMC Yukon?
The 2021 GMC Yukon 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 have the same bolt pattern as the 2021?
The GMC Yukon uses the 6x139.7 pattern from 1992 through 2025. Wheels from any of these model years are dimensionally compatible with the 2021, provided the offset and center bore also match.
How tight should I torque the lug nuts on a 2021 GMC Yukon?
Refer to your owner's manual for exact specs, but always tighten the 14x1.5 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
What is the center bore of a 2021 GMC Yukon?
The factory center bore (hub bore) for the 2021 GMC Yukon is 78.1mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
What is the PCD for a 2021 GMC Yukon?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2021 Yukon, the PCD is 6x139.7.
Can I use spacers on my 2021 GMC Yukon?
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.
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