2020 GMC Yukon XL Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2020 GMC Yukon XL, 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.
2020 Yukon XL — Year-Specific Fitment Context
The 2020 GMC Yukon XL is in year 6 of 10 using the 6x139.7 pattern (2015–2024). Wheels from any 2015–2024 GMC Yukon XL are cross-compatible with the 2020 model.
GMC Yukon XL Bolt Pattern by Year
The table below shows how the Yukon XL's wheel specifications have changed over the years. The 2020 model year is highlighted.
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 2020 GMC Yukon XL
For your 2020 GMC Yukon XL, the 6x139.7 bolt pattern and 78.1mm center bore are critical. Aftermarket wheels often have a larger center bore; use hub-centric rings to prevent vibration and ensure proper load transfer. Offset must stay within 20-30mm to avoid rubbing or suspension interference. Always use lug nuts with the correct 14x1.5 thread pitch and the proper seat type (conical or ball) matching your wheel. Mismatched seats can cause wheel loosening. Re-torque after 50-100 miles. Wheels from 2015-2024 Yukon XL are direct fit.
Historical Fitment Data Reference
In our dataset, GMC Yukon XL appears from 2015 to 2024 (10 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
- ✅ Always use hub-centric rings if aftermarket wheels have a bore larger than 78.1mm to prevent vibrations.
- ✅ Verify offset is between 20-30mm; lower offset pushes wheels outward and may rub fenders.
- ✅ Re-torque lug nuts to 140 ft-lbs after 50-100 miles; use a torque wrench to avoid over-tightening.
- ⚠️ 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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2020 GMC Yukon XL — Frequently Asked Questions
What is the bolt pattern for a 2020 GMC Yukon XL?
The 2020 GMC Yukon XL 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 XL have the same bolt pattern as the 2020?
The GMC Yukon XL uses the 6x139.7 pattern from 2015 through 2024. Wheels from any of these model years are dimensionally compatible with the 2020, provided the offset and center bore also match.
Can I put aftermarket wheels on my 2020 GMC Yukon XL?
Absolutely. Just ensure the aftermarket wheels have a 6x139.7 bolt pattern, an offset near 20-30mm, and a center bore of at least 78.1mm (using hub rings if larger).
How do I measure the bolt pattern on my 2020 GMC?
The 2020 Yukon XL uses a 6x139.7 pattern. For 4, 6, or 8-lug wheels, measure center-to-center across opposite holes. For 5-lug, measure from the center of one hole to the back of the opposite hole.
Will wheels from another GMC fit my 2020 Yukon XL?
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 is the PCD for a 2020 GMC Yukon XL?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2020 Yukon XL, the PCD is 6x139.7.
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