1995 GMC Suburban 1500 Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1995 GMC Suburban 1500, 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.
1995 Suburban 1500 — Year-Specific Fitment Context
The 1995 GMC Suburban 1500 is in year 4 of 8 using the 6x139.7 pattern (1992–1999). Wheels from any 1992–1999 GMC Suburban 1500 are cross-compatible with the 1995 model.
GMC Suburban 1500 Bolt Pattern by Year
The table below shows how the Suburban 1500's wheel specifications have changed over the years. The 1995 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 1995 GMC Suburban 1500
When selecting wheels for your 1995 GMC Suburban 1500, the 78.1mm center bore is critical. Aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibration and ensure proper load distribution. The offset must stay within 20-30mm; deviations can cause rubbing or bearing stress. Always use lug nuts with the correct 14x1.5 thread pitch and matching seat type (cone or ball) to avoid wheel loosening. Cross-compatible wheels from 1992–1999 Suburbans fit directly, but verify bore and offset for safe installation.
Historical Fitment Data Reference
In our dataset, GMC Suburban 1500 appears from 1992 to 1999 (8 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-lbs after 50 miles of driving to account for settling.
- ✅ Avoid using wheels with a center bore larger than 78.1mm without hub-centric rings; vibration and lug stud failure may occur.
- ✅ Check that aftermarket wheels have adequate clearance for the front calipers, as some designs may interfere.
- ⚠️ 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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1995 GMC Suburban 1500 — Frequently Asked Questions
What is the bolt pattern for a 1995 GMC Suburban 1500?
The 1995 GMC Suburban 1500 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 Suburban 1500 have the same bolt pattern as the 1995?
The GMC Suburban 1500 uses the 6x139.7 pattern from 1992 through 1999. Wheels from any of these model years are dimensionally compatible with the 1995, provided the offset and center bore also match.
Can I use spacers on my 1995 GMC Suburban 1500?
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 1995 GMC Suburban 1500?
The factory center bore (hub bore) for the 1995 GMC Suburban 1500 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 1995 GMC Suburban 1500?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1995 Suburban 1500, the PCD is 6x139.7.
Why is matching the 78.1mm center bore important for the 1995 Suburban 1500?
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.
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