1995 GMC Vandura G1500 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 Vandura G1500, 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 Vandura G1500 — Year-Specific Fitment Context
The 1995 is the only model year of the GMC Vandura G1500 in our database using the 6x139.7 bolt pattern.
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 Vandura G1500
For your 1995 GMC Vandura G1500, the 6x139.7 bolt pattern is unique to this year, so verify compatibility. 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. Offset must stay within 20-30mm; deviations risk rubbing on suspension or bodywork. Always use lug nuts with 14x1.5 thread pitch and correct seat type (cone or ball) matching the wheel. Improper seating can cause wheel loss. Re-torque after 50-100 miles.
Historical Fitment Data Reference
In our dataset, GMC Vandura G1500 appears from 1995 to 1995 (1 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 manufacturer spec (typically 100-140 ft-lbs) after 50-100 miles of driving.
- ✅ Aftermarket wheels may require hub-centric rings (78.1mm to wheel bore) to avoid vibrations.
- ✅ Check offset carefully; 20-30mm is safe, but lower offset can cause tire rub on fenders.
- ⚠️ 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 Vandura G1500 — Frequently Asked Questions
What is the bolt pattern for a 1995 GMC Vandura G1500?
The 1995 GMC Vandura G1500 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 is the PCD for a 1995 GMC Vandura G1500?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1995 Vandura G1500, the PCD is 6x139.7.
How tight should I torque the lug nuts on a 1995 GMC Vandura G1500?
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.
Why is matching the 78.1mm center bore important for the 1995 Vandura G1500?
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.
Will wheels from another GMC fit my 1995 Vandura G1500?
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.
Do 1995 GMC Vandura G1500s use lug bolts or lug nuts?
The 1995 Vandura G1500 requires 14x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
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