2003 GMC Savana 1500 Passenger Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2003 GMC Savana 1500 Passenger, 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.
2003 Savana 1500 Passenger — Year-Specific Fitment Context
The 2003 GMC Savana 1500 Passenger is in year 8 of 19 using the 6x139.7 pattern (1996–2014). Wheels from any 1996–2014 GMC Savana 1500 Passenger are cross-compatible with the 2003 model.
GMC Savana 1500 Passenger Bolt Pattern by Year
The table below shows how the Savana 1500 Passenger's wheel specifications have changed over the years. The 2003 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 2003 GMC Savana 1500 Passenger
For your 2003 GMC Savana 1500 Passenger, the 6x139.7 bolt pattern is shared across 1996–2014 models, ensuring cross-compatibility. Critical fitment factors: the center bore is 78.1mm—aftermarket wheels with larger bores require hub-centric rings to prevent vibration and ensure load is on the hub, not lugs. Offset must stay within 20-30mm; deviations risk rubbing on suspension or body. Always use 14x1.5 lug nuts with the correct seat (cone or ball) matching the wheel; improper seating can cause loosening. Safety first: verify all specs before installation.
Historical Fitment Data Reference
In our dataset, GMC Savana 1500 Passenger 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
- ✅ Re-torque lug nuts after 50-100 miles of driving to maintain clamping force.
- ✅ Avoid using universal fit wheels without hub-centric rings; they can cause steering wheel shake.
- ✅ Check wheel clearance with the brake caliper and suspension components before final mounting.
- ⚠️ 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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2003 GMC Savana 1500 Passenger — Frequently Asked Questions
What is the bolt pattern for a 2003 GMC Savana 1500 Passenger?
The 2003 GMC Savana 1500 Passenger 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 Passenger have the same bolt pattern as the 2003?
The GMC Savana 1500 Passenger uses the 6x139.7 pattern from 1996 through 2014. Wheels from any of these model years are dimensionally compatible with the 2003, provided the offset and center bore also match.
Will wheels from another GMC fit my 2003 Savana 1500 Passenger?
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 2003 GMC Savana 1500 Passengers use lug bolts or lug nuts?
The 2003 Savana 1500 Passenger requires 14x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
What is the center bore of a 2003 GMC Savana 1500 Passenger?
The factory center bore (hub bore) for the 2003 GMC Savana 1500 Passenger is 78.1mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
Can I put aftermarket wheels on my 2003 GMC Savana 1500 Passenger?
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).
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