1988 Gmc S15 Base Wheels & Rims
Fitment shared across: Base, High Sierra, Sierra Classic
Shop Wheels for 1988 Gmc S15 Base
Showing 8 of 8+ wheels compatible with the 1988 Gmc S15
Your 1988 GMC S15 Base, High Sierra, and Sierra Classic rides on a 5x120.65 bolt pattern with a stock setup of 15x6 wheels. ThreePiece.us carries premium options from American Racing, US Mag 1PC, Performance Replicas, Vision, E5 Wheels, WELD Performance, Forgestar, and Ridler. Every wheel we offer for your S15 is verified to bolt on perfectly and ships free to the lower 48 states.
Looking to upgrade? Your S15 can accommodate sizes ranging from 15x6 up to 20x8.5, giving you plenty of flexibility for your build. Whether you're seeking a classic look or modern performance styling, we have the right fitment for your truck. All our wheels are verified to fit your specific vehicle and arrive with free shipping included.
1988 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
1988 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 1988 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








