Tire specs
- Warranty
- 60,000 miles
- Load index
- 113
- Speed rating
- H (130 mph)
- Item #
- 2755520MIS3565250604
O.E. size · 275/55R20
2018 GMC Sierra 1500 Crew Cab eAssist 4WD
19 tire results
Factory-size matches for your vehicleThe factory tire size for the 2018 GMC Sierra 1500 Crew Cab eAssist 4WD is 275/55R20.
This trim is also listed with 265/65R18. Check which one your vehicle has.
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| All wheels | 275/55R20 | — | — |
| All wheels | 265/65R18 | — | — |
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.