1998 GMC Sonoma Club Coupe Cab 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 Sonoma Club Coupe Cab, 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) | 0-13 |
| Torque Specs | 80 ft-lbs (108 Nm) |
Imperial Match: 5x120.65 is commonly referred to as 5x4.75" in US Standard.
1998 Sonoma Club Coupe Cab — Year-Specific Fitment Context
The 1998 model year is the final year of the GMC Sonoma Club Coupe Cab's 5x120.65 bolt pattern run (since 1993). Wheels from any 1993–1998 GMC Sonoma Club Coupe Cab are cross-compatible with the 1998 model.
GMC Sonoma Club Coupe Cab Bolt Pattern by Year
The table below shows how the Sonoma Club Coupe Cab's wheel specifications have changed over the years. The 1998 model year is highlighted.
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:
Expert Buying Guide for 1998 GMC Sonoma Club Coupe Cab
For your 1998 GMC Sonoma Club Coupe Cab, the bolt pattern is 5x120.65mm with a 70.3mm center bore. When selecting aftermarket wheels, ensure hub-centric rings (70.3mm to wheel bore) are used to prevent vibrations and stress on lug studs. The offset range is 0-13mm; staying within this range maintains proper suspension geometry and tire clearance. Always use lug nuts with the correct thread pitch (12x1.5) and seat type—either conical (60-degree) or ball seat, matching the wheel's design. Incorrect lug nuts can cause wheel loosening. Safety first: verify all specs before installation.
Historical Fitment Data Reference
In our dataset, GMC Sonoma Club Coupe Cab appears from 1993 to 1998 (6 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: 13.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50-100 miles of driving to ensure proper seating.
- ✅ Avoid using universal fit wheels without hub-centric rings; the 70.3mm bore is critical for load support.
- ✅ Check for brake caliper clearance when using wheels with offset near 0mm, as this pushes the wheel outward.
- ⚠️ 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).
Ready to upgrade or perform maintenance?
🛒 Shop Tools & Accessories on AmazonAs an Amazon Associate, I earn from qualifying purchases.
1998 GMC Sonoma Club Coupe Cab — Frequently Asked Questions
What is the bolt pattern for a 1998 GMC Sonoma Club Coupe Cab?
The 1998 GMC Sonoma Club Coupe Cab uses a 5x120.65 bolt pattern (also called lug pattern or PCD). The center bore is 70.3mm and the offset is 0-13mm.
What other years of GMC Sonoma Club Coupe Cab have the same bolt pattern as the 1998?
The GMC Sonoma Club Coupe Cab uses the 5x120.65 pattern from 1993 through 1998. Wheels from any of these model years are dimensionally compatible with the 1998, provided the offset and center bore also match.
Why is matching the 70.3mm center bore important for the 1998 Sonoma Club Coupe Cab?
The 70.3mm 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 1998 GMC Sonoma Club Coupe Cab?
The OEM offset for the 1998 Sonoma Club Coupe Cab is typically around 0-13mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
Do 1998 GMC Sonoma Club Coupe Cabs use lug bolts or lug nuts?
The 1998 Sonoma Club Coupe Cab requires 12x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
Will wheels from another GMC fit my 1998 Sonoma Club Coupe Cab?
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.
Need more vehicle fitment data?
Access our complete, raw JSON/CSV database of over 11,000+ vehicles for your next app or project.
Get the Full Dataset