1985 GMC C2500 Wheels & Rims
Shop Wheels for 1985 GMC C2500
Showing 8 of 8+ wheels compatible with the 1985 GMC C2500
The 1985 GMC C2500 in Base, High Sierra, and Sierra Classic trims rolls on a 6x139.7 bolt pattern with a 78.1mm center bore. Your truck left the factory with 16x5.5 wheels at a 13-inch offset. We stock eight premier wheel brands—Vision, Work Wheels, Fuel 1PC, OE Wheels, Carolina Forged, LOCK OFFROAD, Enkei, and Icon Alloys—all verified to bolt directly onto your C2500.
Upgrade your C2500 with options ranging from 16.5x6.5 all the way to 20x8.5, ensuring the perfect fit for your truck's personality and needs. Every wheel in our inventory is verified to fit your specific bolt pattern and center bore, and we ship free throughout the lower 48 states.
1985 GMC C2500 Wheel Fitment Guide — What Works & What to Avoid
Your 1985 GMC C2500 uses a 6x139.7 bolt pattern with a 78.1mm hub bore. The stock wheel measures 16x5.5 with a 13mm offset. You can go larger with compatible sizes ranging from 16.5x6.5 up to 20x8.5, giving you flexibility for a modern look while maintaining proper fitment across Base, High Sierra, and Sierra Classic trims.
Pay close attention to center bore compatibility—all wheels must accommodate your 78.1mm hub, and we recommend hub-centric rings if your chosen wheel has a larger bore. The 6x139.7 bolt pattern is exclusive to this application, so verify any wheel selection matches exactly. Aggressive widths or extreme offsets beyond our listed compatible sizes risk interference with fenders or suspension components on this classic truck.
Every wheel we offer for your C2500 is verified to bolt on and ships free throughout the lower 48 states. Stock your truck with quality brands like Vision, Fuel 1PC, Work Wheels, or Enkei—all available now and ready to ship.
1985 GMC C2500 Wheel Fitment Specifications
The 6x139.7 bolt pattern determines which wheels physically bolt onto your truck, while the 78.1mm center bore ensures a hub-centric fit. The factory equips this truck with 16x5.5 wheels at a +13 offset.
Lug Type
nut
Thread Size
7/16 UNF
Torque Spec
70 ft-lbs
TPMS
No
1985 GMC C2500 Compatible Wheel Sizes
| Wheel Size | Offset Range | Compatible Tires | Notes |
|---|---|---|---|
| 16x5.5 | +null to +25 | 8.75-16, 7.50-16 | — |
| 16.5x6.5 | +null to +25 | 8.75-16.5, 9.50-16.5 | — |
| 16x7 | +null to +25 | 255/75R16, 245/75R16, 215/75R16 | — |
| 16x7.5 | +null to +25 | 255/75R16, 245/75R16, 30/11.50R16 | — |
| 16x8 | +10 to +25 | 255/75R16, 245/75R16, 31/10.50R16 | — |
| 17x8 | +10 to +25 | 265/70R17, 31/10.50R17, 30/10.00R17 | — |
| 16x8.5 | +10 to +25 | 255/75R16, 245/75R16, 31/10.50R16 | — |
| 17x8.5 | +10 to +25 | 265/70R17, 31/10.50R17, 31/12.50R17 | — |
| 18x8.5 | +10 to +25 | 265/65R18 | — |
| 20x8.5 | +10 to +25 | 285/50R20, 275/50R20, 30/10.00R20 | — |
Best Wheel Brands for the GMC C2500
- Fuel Forged — FF12, FF19, FF41
- Fuel 1PC — Maverick, Assault, Blitz
- Method Race Wheels — MR305, MR701
- American Racing — AR924, VN507
- Heritage Wheel — Bushido, Ebisu
Complete Your 1985 GMC C2500 Build
- GMC C2500 suspension upgrades — pairs well with a wheel upgrade
- GMC C2500 exhaust systems — pairs well with a wheel upgrade
- GMC C2500 suspension — pairs well with a wheel upgrade
- GMC C2500 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