1985 GMC S15 Base Wheels & Rims
Fitment shared across: Base, High Sierra, Sierra Classic
Shop Wheels for 1985 GMC S15 Base
Showing 8 of 8+ wheels compatible with the 1985 GMC S15
The 1985 GMC S15 Base, High Sierra, and Sierra Classic trucks roll on a 5x120.65 bolt pattern with a 70.3mm center bore. Your S15 came equipped with 14x6 wheels at a 13 offset. Finding the right upgrade means choosing from sizes ranging up to 17 inches, all verified to bolt directly onto your truck without modification.
Every wheel we stock for your S15 is confirmed to fit perfectly and ships free throughout the lower 48 states. We carry respected names like American Racing, US Mag 1PC, Performance Replicas, Vision, E5 Wheels, WELD Performance, Forgestar, and Ridler, ensuring you'll find the style and quality your truck deserves.
1985 GMC S15 Base Wheel Fitment Guide — What Works & What to Avoid
Your 1985 GMC S15 uses a 5x120.65 bolt pattern with a 70.3mm hub-centric center bore. The truck rolled off the line on 14x6 wheels at a 13mm offset. You can upgrade to 14x7, 15x7 or 15x8, 16x7 through 16x8, or 17x7.5 through 17x8.5—all square setups that preserve the original proportions and handling balance.
Since only the 5x120.65 bolt pattern fits your S15, verify any wheel's specs before ordering. The hub-centric bore matters: if a wheel's center bore exceeds 70.3mm, install hub-centric rings to ensure a proper fit and avoid vibration. Pushing too wide or running aggressive negative offsets risks interference with the fender and suspension, so stick within our verified fitment range.
Every wheel we list for your S15 bolts on without modification and ships free across the lower 48 states. American Racing, US Mag 1PC, Performance Replicas, Vision, E5 Wheels, WELD Performance, Forgestar, and Ridler all have in-stock options ready to transform your truck's stance.
1985 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 14x6 wheels at a +13 offset.
Lug Type
nut
Thread Size
M12x1.5
Torque Spec
81 ft-lbs
TPMS
No
1985 GMC S15 Base Compatible Wheel Sizes
| Wheel Size | Offset Range | Compatible Tires | Notes |
|---|---|---|---|
| 14x6 | +null to +15 | 195/75R14, 205/75R14, 215/70R14 | — |
| 14x7 | +null to +15 | 195/75R14, 205/75R14, 215/70R14 | — |
| 15x7 | -6 to +10 | 205/70R15, 195/70R15, 215/65R15 | — |
| 16x7 | -6 to +10 | 225/55R16, 235/55R16, 205/60R16 | — |
| 16x7.5 | -6 to +10 | 225/55R16, 235/55R16, 205/60R16 | — |
| 17x7.5 | -6 to +10 | 225/50R17, 235/50R17 | — |
| 15x8 | -6 to +10 | 205/70R15, 195/70R15, 215/65R15 | — |
| 16x8 | -6 to +10 | 225/55R16, 235/55R16 | — |
| 17x8 | -6 to +10 | 225/50R17, 235/50R17 | — |
| 18x8 | +null to +10 | 235/45R18, 245/45R18 | — |
| 17x8.5 | -6 to +10 | 225/50R17, 235/50R17 | — |
| 18x8.5 | +null to +10 | 235/45R18, 245/45R18 | — |
| 20x8.5 | +null to +5 | 245/35R20 | — |
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 1985 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