1991 GMC C2500 Wheels & Rims
Shop Wheels for 1991 GMC C2500
The 1991 GMC C2500 Sierra, Sierra SLE, and Sierra SLX models roll on a 6x139.7 bolt pattern with a 78.1mm center bore. Your truck came equipped with 15x7 wheels at a 13 offset. ThreePiece.us carries every wheel verified to bolt directly onto your C2500 without modification, and we ship free to the lower 48 states.
Upgrading your C2500 opens plenty of possibilities. Choose from sizes ranging up to 20x12, with trusted brands like Vision, Work Wheels, Fuel, OE Wheels, Carolina Forged, LOCK OFFROAD, Enkei, and Icon Alloys all in stock. Whether you want a subtle refresh or a dramatic stance change, we've got the fitment expertise and selection to transform your Sierra's appearance.
1991 GMC C2500 Wheel Fitment Guide — What Works & What to Avoid
Your 1991 GMC C2500 Sierra uses a 6x139.7 bolt pattern with a 78.1mm hub-centric center bore. The truck rolls on 15x7 stock wheels at 13mm offset. You can upgrade to 16-inch or 17-inch wheels in various widths, or go modern with 20-inch options ranging from 8.5 to 12 inches wide—all bolt straight on without modification.
Only wheels with a 6x139.7 bolt pattern will fit this Sierra. Since many aftermarket wheels have a larger center bore than the 78.1mm hub, hub-centric rings ensure proper centering and vibration-free operation. Wider wheels and aggressive offsets risk rubbing the fender or suspension, so verify fitment before ordering if you're pushing toward the outer limits of available sizes.
Every wheel we list fits your C2500 and ships free to the lower 48 states. We stock trusted brands like Vision, Fuel 1PC, Work Wheels, and Icon Alloys that deliver the look and durability truck owners demand.
1991 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 15x7 wheels at a +13 offset.
Lug Type
nut
Thread Size
M14x1.5
Torque Spec
89 ft-lbs
TPMS
No
1991 GMC C2500 Compatible Wheel Sizes
| Wheel Size | Offset Range | Compatible Tires | Notes |
|---|---|---|---|
| 20x10 | -52 to -12 | 285/55R20, 31/12.50R20, 33/12.50R20 | 1. Check fitment, possible clearance issues: 3. Extreme fitment/check lift kit requirements |
| 22x10 | -52 to -12 | 305/45R22, 31/12.50R22, 35/13.00R22 | 1. Check fitment, possible clearance issues: 3. Extreme fitment/check lift kit requirements |
| 20x12 | -52 to -12 | 285/65R20, 33/14.50R20, 35/14.50R20 | 1. Check fitment, possible clearance issues: 3. Extreme fitment/check lift kit requirements |
| 22x12 | -52 to -12 | 325/50R22, 35/15.50R22, 33/14.50R22 | 1. Check fitment, possible clearance issues: 3. Extreme fitment/check lift kit requirements |
| 15x7 | -6 to +25 | 225/75R15, 30/10.00R15, 30/9.50R15 | 2. Body Modification Required |
| 16x7 | -6 to +25 | 225/75R16, 245/75R16, 215/85R16 | — |
| 16x7 | -6 to +25 | 245/75R16, 265/75R16, 31/10.50R16 | 2. Body Modification Required |
| 16x7.5 | -6 to +25 | 225/75R16, 245/75R16, 215/85R16 | — |
| 16x8 | -6 to +25 | 225/75R16, 245/75R16, 215/85R16 | — |
| 17x8 | -6 to +25 | 265/70R17, 31/10.50R17, 30/10.00R17 | — |
| 16x8.5 | +18 to +25 | 225/75R16, 245/75R16, 215/85R16 | 2. Body Modification Required |
| 17x8.5 | +18 to +25 | 265/70R17, 30/10.00R17, 31/10.50R17 | 2. Body Modification Required |
| 20x8.5 | +18 to +25 | 285/50R20, 30/10.00R20, 31/12.50R20 | 2. Body Modification Required |
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 1991 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








