Tire specs
- Speed rating
- S (112 mph)
- Item #
- 2757018NEX1A317NXK
2020 GMC Sierra 3500 HD Base 2WD
4 tire results
Factory-size matches for your vehicleThe factory tire size for the 2020 GMC Sierra 3500 HD Base 2WD is 275/70R18.
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| All wheels | 275/70R18 | — | — |
Confirm the size printed on the sidewall of your current tire or on the tire placard in the driver's door jamb before you buy. Replacement tires should meet or exceed the vehicle's load index and speed rating.