1999 GMC Savana 2500 Cargo Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1999 GMC Savana 2500 Cargo, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 8x165.1 (8x6.5") |
|---|---|
| Lug Nut / Bolt Size | 14x1.5 |
| Center Bore (CB) | 116.7 mm |
| Offset (ET) | 28 |
| Torque Specs | 140 ft-lbs (190 Nm) |
1999 Savana 2500 Cargo — Year-Specific Fitment Context
The 1999 GMC Savana 2500 Cargo is in year 4 of 15 using the 8x165.1 pattern (1996–2010). Wheels from any 1996–2010 GMC Savana 2500 Cargo are cross-compatible with the 1999 model. Across its full production run (1996–2024), the Savana 2500 Cargo has also used: 8x180.
GMC Savana 2500 Cargo Bolt Pattern by Year
The table below shows how the Savana 2500 Cargo's wheel specifications have changed over the years. The 1999 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 1996 | 8x165.1 | 116.7 | 28 |
| 1997 | 8x165.1 | 116.7 | 28 |
| 1998 | 8x165.1 | 116.7 | 28 |
| ▸ 1999 | 8x165.1 | 116.7 | 28 |
| 2000 | 8x165.1 | 116.7 | 28 |
| 2001 | 8x165.1 | 116.7 | 28 |
| 2002 | 8x165.1 | 116.7 | 28 |
| 2003 | 8x165.1 | 116.7 | 28 |
| 2004 | 8x165.1 | 116.7 | 28 |
| 2005 | 8x165.1 | 116.7 | 28 |
| 2006 | 8x165.1 | 116.7 | 28 |
| 2007 | 8x165.1 | 116.7 | 28 |
| 2008 | 8x165.1 | 116.7 | 28 |
| 2009 | 8x165.1 | 116.7 | 28 |
| 2010 | 8x165.1 | 116.7 | 28 |
| 2011 | 8x180 | 124.9 | 44 |
| 2012 | 8x180 | 124.9 | 44 |
| 2013 | 8x180 | 124.9 | 44 |
| 2014 | 8x180 | 124.9 | 44 |
| 2015 | 8x180 | 124.9 | 44 |
| 2016 | 8x180 | 124.9 | 44 |
| 2017 | 8x180 | 124.9 | 44 |
| 2018 | 8x180 | 124.9 | 44 |
| 2019 | 8x180 | 124.9 | 44 |
| 2021 | 8x180 | 124.9 | 44 |
| 2022 | 8x180 | 124.9 | 44 |
| 2023 | 8x180 | 124.9 | 44 |
| 2024 | 8x180 | 124.9 | 44 |
Fitment Notes
The 1999 GMC Savana 2500 Cargo has a bolt pattern of 8x165.1.
Imperial Conversion: This bolt pattern is commonly referred to as 8x6.5" in imperial units. When searching for aftermarket wheels, you may see them listed as 8x6.5".
This means it is a 8 lug pattern with a circle diameter of 165.1mm. When shopping for aftermarket wheels, ensure the "lug pattern" or "PCD" matches these numbers.
Year-to-Year Fitment Context
In our dataset, GMC Savana 2500 Cargo appears from 1996 to 2024 (28 model years).
Across model years, this model appears with 2 bolt patterns (8x165.1, 8x180).
- 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: 16.0 mm
8x165.1 Pattern Context
This bolt pattern appears on 846 vehicles in our current database and is considered common.
Examples of other vehicles using 8x165.1:
1999 GMC Savana 2500 Cargo — Frequently Asked Questions
What is the bolt pattern for a 1999 GMC Savana 2500 Cargo?
The 1999 GMC Savana 2500 Cargo uses a 8x165.1 bolt pattern (also called lug pattern or PCD). The center bore is 116.7mm and the offset is 28mm.
What other years of GMC Savana 2500 Cargo have the same bolt pattern as the 1999?
The GMC Savana 2500 Cargo uses the 8x165.1 pattern from 1996 through 2010. Wheels from any of these model years are dimensionally compatible with the 1999, provided the offset and center bore also match.
Do 1999 GMC Savana 2500 Cargos use lug bolts or lug nuts?
The 1999 Savana 2500 Cargo requires 14x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
What is the factory wheel offset for a 1999 GMC Savana 2500 Cargo?
The OEM offset for the 1999 Savana 2500 Cargo is typically around 28mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
How tight should I torque the lug nuts on a 1999 GMC Savana 2500 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.
How do I measure the bolt pattern on my 1999 GMC?
The 1999 Savana 2500 Cargo uses a 8x165.1 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.
Fitment Checklist Before You Buy Wheels
- Torque lugs in a star pattern to 140 ft-lbs (190 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 Savana 2500 Cargo has multiple wheel-fitment records across generations, so matching exact year and trim is important before ordering wheels.
- Observed production years in our database: 1996-2024 (28 model years).
- Observed bolt-pattern variants: 2 (8x165.1, 8x180).
- Observed total offset span across years: 16.0 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 1999 GMC Savana 2500 Cargo, please report it via our About page contact so we can verify and update this record.