1998 GMC Jimmy Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1998 GMC Jimmy, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x120.65 (5x4.75") |
|---|---|
| Lug Nut / Bolt Size | 12x1.5 |
| Center Bore (CB) | 70.3 mm |
| Offset (ET) | 50 |
| Torque Specs | 80 ft-lbs (108 Nm) |
1998 Jimmy — Year-Specific Fitment Context
The 1998 GMC Jimmy is in year 7 of 10 using the 5x120.65 pattern (1992–2001). Wheels from any 1992–2001 GMC Jimmy are cross-compatible with the 1998 model.
GMC Jimmy Bolt Pattern by Year
The table below shows how the Jimmy's wheel specifications have changed over the years. The 1998 model year is highlighted.
Fitment Notes
The 1998 GMC Jimmy has a bolt pattern of 5x120.65.
Imperial Conversion: This bolt pattern is commonly referred to as 5x4.75" in imperial units. When searching for aftermarket wheels, you may see them listed as 5x4.75".
This means it is a 5 lug pattern with a circle diameter of 120.65mm. When shopping for aftermarket wheels, ensure the "lug pattern" or "PCD" matches these numbers.
Year-to-Year Fitment Context
In our dataset, GMC Jimmy appears from 1992 to 2001 (10 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: 0.0 mm
5x120.65 Pattern Context
This bolt pattern appears on 202 vehicles in our current database and is considered moderately common.
Examples of other vehicles using 5x120.65:
1998 GMC Jimmy — Frequently Asked Questions
What is the bolt pattern for a 1998 GMC Jimmy?
The 1998 GMC Jimmy uses a 5x120.65 bolt pattern (also called lug pattern or PCD). The center bore is 70.3mm and the offset is 50mm.
What other years of GMC Jimmy have the same bolt pattern as the 1998?
The GMC Jimmy uses the 5x120.65 pattern from 1992 through 2001. Wheels from any of these model years are dimensionally compatible with the 1998, provided the offset and center bore also match.
Will wheels from another GMC fit my 1998 Jimmy?
Only if they share the exact same 5x120.65 bolt pattern, a compatible offset, and a center bore equal to or larger than 70.3mm.
Can I use spacers on my 1998 GMC Jimmy?
Yes, but ensure the wheel spacers match the 5x120.65 bolt pattern and 70.3mm center bore. Also verify that you have enough thread engagement for your 12x1.5 hardware.
Do 1998 GMC Jimmys use lug bolts or lug nuts?
The 1998 Jimmy requires 12x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
What is the center bore of a 1998 GMC Jimmy?
The factory center bore (hub bore) for the 1998 GMC Jimmy is 70.3mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
Fitment Checklist Before You Buy Wheels
- Verify thread pitch before installation; M12x1.25 and M12x1.5 are not interchangeable.
- Torque lugs in a star pattern to 80 ft-lbs (108 Nm), then re-check torque after 50-100 km (30-60 miles).
Editorial Fitment Notes
GMC Jimmy is generally consistent in bolt-pattern records across model years, but offset and hardware should still be validated before purchase.
- Observed production years in our database: 1992-2001 (10 model years).
- Observed bolt-pattern variants: 1 (5x120.65).
- Observed total offset span across years: 0.0 mm.
- Observed center-bore variants: 1 | 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 1998 GMC Jimmy, please report it via our About page contact so we can verify and update this record.