1992 GMC Suburban 2500 Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1992 GMC Suburban 2500, 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) | 0 |
| Torque Specs | 100 ft-lbs (135 Nm) |
1992 Suburban 2500 — Year-Specific Fitment Context
The 1992 model year marks the beginning of the GMC Suburban 2500's 6x139.7 bolt pattern era, which continued through 1994 (3 consecutive years). Wheels from any 1992–1994 GMC Suburban 2500 are cross-compatible with the 1992 model. Across its full production run (1992–1999), the Suburban 2500 has also used: 8x165.1.
GMC Suburban 2500 Bolt Pattern by Year
The table below shows how the Suburban 2500's wheel specifications have changed over the years. The 1992 model year is highlighted.
Fitment Notes
The 1992 GMC Suburban 2500 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 Suburban 2500 appears from 1992 to 1999 (8 model years).
Across model years, this model appears with 2 bolt patterns (6x139.7, 8x165.1).
- Observed bolt-pattern variants for this model: 2
- Observed center-bore variants for this model: 2
- Observed lug-size variants for this model: 1
- Observed total offset span across years: 60.0 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:
1992 GMC Suburban 2500 — Frequently Asked Questions
What is the bolt pattern for a 1992 GMC Suburban 2500?
The 1992 GMC Suburban 2500 uses a 6x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 78.1mm and the offset is 0mm.
What other years of GMC Suburban 2500 have the same bolt pattern as the 1992?
The GMC Suburban 2500 uses the 6x139.7 pattern from 1992 through 1994. Wheels from any of these model years are dimensionally compatible with the 1992, provided the offset and center bore also match.
Can I put aftermarket wheels on my 1992 GMC Suburban 2500?
Absolutely. Just ensure the aftermarket wheels have a 6x139.7 bolt pattern, an offset near 0mm, and a center bore of at least 78.1mm (using hub rings if larger).
How do I measure the bolt pattern on my 1992 GMC?
The 1992 Suburban 2500 uses a 6x139.7 pattern. For 4, 6, or 8-lug wheels, measure center-to-center across opposite holes. For 5-lug, measure from the center of one hole to the back of the opposite hole.
Why is matching the 78.1mm center bore important for the 1992 Suburban 2500?
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.
What is the factory wheel offset for a 1992 GMC Suburban 2500?
The OEM offset for the 1992 Suburban 2500 is typically around 0mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
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 Suburban 2500 has multiple wheel-fitment records across generations, so matching exact year and trim is important before ordering wheels.
- Observed production years in our database: 1992-1999 (8 model years).
- Observed bolt-pattern variants: 2 (6x139.7, 8x165.1).
- Observed total offset span across years: 60.0 mm.
- Observed center-bore variants: 2 | lug-size variants: 1.
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 1992 GMC Suburban 2500, please report it via our About page contact so we can verify and update this record.