2003 GMC Safari 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 Safari 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) | 30 |
| Torque Specs | 100 ft-lbs (135 Nm) |
2003 Safari Passenger — Year-Specific Fitment Context
The 2003 model year marks the beginning of the GMC Safari Passenger's 6x139.7 bolt pattern era, which continued through 2005 (3 consecutive years). Wheels from any 2003–2005 GMC Safari Passenger are cross-compatible with the 2003 model. Note: the 2002 model used a different pattern (5x127), so its wheels are NOT interchangeable with the 2003. Across its full production run (1992–2005), the Safari Passenger has also used: 5x127.
GMC Safari Passenger Bolt Pattern by Year
The table below shows how the Safari Passenger's wheel specifications have changed over the years. The 2003 model year is highlighted.
Fitment Notes
The 2003 GMC Safari Passenger has a bolt pattern of 6x139.7.
Imperial Conversion: This bolt pattern is commonly referred to as 6x5.5" in imperial units. When searching for aftermarket wheels, you may see them listed as 6x5.5".
This means it is a 6 lug pattern with a circle diameter of 139.7mm. When shopping for aftermarket wheels, ensure the "lug pattern" or "PCD" matches these numbers.
Year-to-Year Fitment Context
In our dataset, GMC Safari Passenger appears from 1992 to 2005 (14 model years).
Across model years, this model appears with 2 bolt patterns (5x127, 6x139.7).
- Observed bolt-pattern variants for this model: 2
- Observed center-bore variants for this model: 1
- Observed lug-size variants for this model: 2
- Observed total offset span across years: 30.0 mm
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:
2003 GMC Safari Passenger — Frequently Asked Questions
What is the bolt pattern for a 2003 GMC Safari Passenger?
The 2003 GMC Safari Passenger uses a 6x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 78.1mm and the offset is 30mm.
What other years of GMC Safari Passenger have the same bolt pattern as the 2003?
The GMC Safari Passenger uses the 6x139.7 pattern from 2003 through 2005. Wheels from any of these model years are dimensionally compatible with the 2003, provided the offset and center bore also match.
Can I use 2002 GMC Safari Passenger wheels on a 2003?
No. The 2002 Safari Passenger used a 5x127 bolt pattern, which differs from the 2003's 6x139.7. They are not interchangeable.
Do 2003 GMC Safari Passengers use lug bolts or lug nuts?
The 2003 Safari Passenger requires 14x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
Will wheels from another GMC fit my 2003 Safari 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.
What is the center bore of a 2003 GMC Safari Passenger?
The factory center bore (hub bore) for the 2003 GMC Safari Passenger is 78.1mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
Fitment Checklist Before You Buy Wheels
- Torque lugs in a star pattern to 100 ft-lbs (135 Nm), then re-check torque after 50-100 km (30-60 miles).
- This model has multiple bolt-pattern records across years. Match wheels to exact year/trim before purchase.
Editorial Fitment Notes
GMC Safari Passenger has multiple wheel-fitment records across generations, so matching exact year and trim is important before ordering wheels.
- Observed production years in our database: 1992-2005 (14 model years).
- Observed bolt-pattern variants: 2 (5x127, 6x139.7).
- Observed total offset span across years: 30.0 mm.
- Observed center-bore variants: 1 | lug-size variants: 2.
Data Quality & Review
Source note: Compiled from manufacturer fitment references, historical wheel data, and internal normalization rules.
Last reviewed: 2026-05-26 | Reviewed by: Bolt Pattern HQ Editorial Team
If you find a discrepancy for 2003 GMC Safari Passenger, please report it via our About page contact so we can verify and update this record.