1996 GMC Savana 1500 Cargo Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1996 GMC Savana 1500 Cargo, 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.
1996 Savana 1500 Cargo — Year-Specific Fitment Context
The 1996 model year marks the beginning of the GMC Savana 1500 Cargo's 6x139.7 bolt pattern era, which continued through 2014 (19 consecutive years). Wheels from any 1996–2014 GMC Savana 1500 Cargo are cross-compatible with the 1996 model.
GMC Savana 1500 Cargo Bolt Pattern by Year
The table below shows how the Savana 1500 Cargo's wheel specifications have changed over the years. The 1996 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| ▸ 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 |
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 1996 GMC Savana 1500 Cargo
For your 1996 GMC Savana 1500 Cargo, the 6x139.7 bolt pattern is shared with 1996–2014 models, offering broad compatibility. The 78.1mm center bore is critical: aftermarket wheels often have larger bores, requiring hub-centric rings to prevent vibration and ensure load is on the hub, not the lugs. Offset must stay within 20–30mm; deviating risks rubbing on suspension or fenders. Always use 14x1.5 lug nuts with the correct seat (conical or ball) matching the wheel. Improper seating can cause loosening. Re-torque after 50–100 miles. Verify wheel clearance with brake calipers and suspension components before final installation.
Historical Fitment Data Reference
In our dataset, GMC Savana 1500 Cargo appears from 1996 to 2014 (19 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
- ✅ Use hub-centric rings (78.1mm ID to aftermarket bore) to avoid vibrations and ensure proper centering.
- ✅ Re-torque lug nuts to 140 ft-lbs after 50–100 miles; check periodically thereafter.
- ✅ Confirm offset is within 20–30mm; lower offset pushes wheels outward, risking fender rub on lowered vans.
- ⚠️ 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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1996 GMC Savana 1500 Cargo — Frequently Asked Questions
What is the bolt pattern for a 1996 GMC Savana 1500 Cargo?
The 1996 GMC Savana 1500 Cargo 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 Savana 1500 Cargo have the same bolt pattern as the 1996?
The GMC Savana 1500 Cargo uses the 6x139.7 pattern from 1996 through 2014. Wheels from any of these model years are dimensionally compatible with the 1996, provided the offset and center bore also match.
What is the center bore of a 1996 GMC Savana 1500 Cargo?
The factory center bore (hub bore) for the 1996 GMC Savana 1500 Cargo is 78.1mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
How tight should I torque the lug nuts on a 1996 GMC Savana 1500 Cargo?
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.
Will wheels from another GMC fit my 1996 Savana 1500 Cargo?
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 1996 GMC Savana 1500 Cargo?
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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