2021 GMC Sierra 1500 Tire Size
Confirmed OEM tire sizes for this model year. Multiple sizes may apply depending on trim and wheel package — all catalog options are listed.
- Option255/70R17
- Option265/65R18
- Option265/70R17
- Option265/70R17
- Option275/50R22
- Option275/60R20
- Option275/65R18
All confirmed configurations
| Size | Position | Width | Aspect | Rim | Load | Speed |
|---|---|---|---|---|---|---|
| 255/70R17 | Front / all | 255 | 70 | 17" | 112 | S |
| 265/65R18 | Front / all | 265 | 65 | 18" | 113 | T |
| 265/70R17 | Front / all | 265 | 70 | 17" | — | — |
| 265/70R17 (run-flat) | Front / all | 265 | 70 | 17" | 118 | S |
| 275/50R22 | Front / all | 275 | 50 | 22" | 105 | Y |
| 275/60R20 | Front / all | 275 | 60 | 20" | 114 | S |
| 275/65R18 | Front / all | 275 | 65 | 18" | 113 | T |