1990 Gmc S15 Base Wheels & Rims
Fitment shared across: Base, High Sierra, Sierra Classic
Shop Wheels for 1990 Gmc S15 Base
Showing 8 of 8+ wheels compatible with the 1990 Gmc S15
Your 1990 GMC S15 Base, High Sierra, and Sierra Classic rolls on a 5x120.65 bolt pattern with a stock setup of 15x6 wheels. ThreePiece.us carries premium brands like American Racing, US Mag 1PC, and Forgestar that fit your S15 perfectly. Every wheel we stock is verified to bolt on correctly, and we ship free to the lower 48 states.
From classic 15-inch sizes up to aggressive 20x8.5 options, you'll find the right fitment for your GMC truck. Whether you're chasing a subtle upgrade or a dramatic stance, our selection spans multiple wheel manufacturers and styles. All our wheels are guaranteed to fit your S15, backed by free shipping across the continental United States.
1990 Gmc S15 Base Wheel Fitment Specifications
The 5x120.65 bolt pattern determines which wheels physically bolt onto your truck, while the 70.3mm center bore ensures a hub-centric fit. The factory equips this truck with 15x6 wheels at a +25 offset.
Lug Type
nut
Thread Size
M12x1.5
Torque Spec
81 ft-lbs
TPMS
No
1990 Gmc S15 Base Compatible Wheel Sizes
| Wheel Size | Offset Range | Compatible Tires | Notes |
|---|---|---|---|
| 15x6 | -6 to +13 | 195/75R15 | — |
| 15x6.5 | -6 to +13 | 195/75R15 | — |
| 15x7 | -6 to +13 | 205/75R15, 235/70R15, 225/70R15 | — |
| 16x7.5 | -6 to +13 | 215/60R16, 225/60R16, 235/60R16 | — |
| 15x8 | -6 to +13 | 205/75R15, 235/70R15, 225/70R15 | — |
| 16x8 | -6 to +13 | 215/60R16, 225/60R16, 235/60R16 | — |
| 17x8 | -6 to +10 | 225/55R17, 235/50R17 | — |
| 18x8 | -6 to +10 | 235/50R18 | — |
| 17x8.5 | -6 to +10 | 225/55R17, 235/50R17 | — |
| 20x8.5 | -6 to +null | 255/35R20 | 1. Check fitment, possible clearance issues |
Best Wheel Brands for the Gmc S15
- Fuel 1PC — Maverick, Assault, Blitz
- Fuel Forged — FF12, FF19
- Method Race Wheels — MR305, MR701
- American Racing — AR924, VN507
- Heritage Wheel
Complete Your 1990 Gmc S15 Base Build
- Gmc S15 suspension upgrades — pairs well with a wheel upgrade
- Gmc S15 exhaust systems — pairs well with a wheel upgrade
- Gmc S15 suspension — pairs well with a wheel upgrade
- Gmc S15 brakes — pairs well with a wheel upgrade
- Wheel & tire packages — pre-mounted, balanced, shipped ready to bolt on
- Installation accessories — hub rings, extended studs, TPMS kits, spacers








