Tire specs
- Warranty
- 55,000 miles
- Load index
- 125/122
- Speed rating
- S (112 mph)
- Load range
- E (10-ply)
- Tread depth
- 18/32"
- Item #
- 2757018FAL28070381
2026 GMC Sierra 1500 AT4X — LT275/70R18
O.E. size · LT275/70R18
2026 GMC Sierra 1500 AT4X
9 tire results
Factory-size matches for your vehicleTire specs
- Warranty
- 55,000 miles
- Load index
- 125/122
- Speed rating
- S (112 mph)
- Load range
- E (10-ply)
- Tread depth
- 13.23/32"
- Item #
- 2757018EVO221022672
Tire specs
- Load index
- 125/122
- Speed rating
- Q (99 mph)
- Tread depth
- 17.89/32"
- Item #
- 2757018EVO221019687
Tire specs
- Warranty
- 60,000 miles
- Load index
- 125/122
- Speed rating
- S (112 mph)
- Load range
- E (10-ply)
- Tread depth
- 14/32"
- Item #
- 2757018BHK1602533
Tire specs
- Warranty
- 50,000 miles
- Load index
- 125
- Speed rating
- R (106 mph)
- Load range
- E (10-ply)
- Item #
- 2757018BHKBH4120877
Tire specs
- Warranty
- 45,000 miles
- Load index
- 125/122
- Speed rating
- Q (99 mph)
- Item #
- 2757018BKH1600475K
Tire specs
- Warranty
- 45,000 miles
- Load index
- 125/122
- Speed rating
- R (106 mph)
- Load range
- E (10-ply)
- Tread depth
- 14.5/32"
- Item #
- 2757018KUM2182233
Tire specs
- Warranty
- 50,000 miles
- Load index
- 125/122
- Speed rating
- R (106 mph)
- Load range
- E (10-ply)
- Tread depth
- 15/32"
- Item #
- 2757018KUM2417353
Tire specs
- Warranty
- 60,000 miles
- Load index
- 125/122
- Speed rating
- S (112 mph)
- Load range
- E (10-ply)
- Tread depth
- 18/32"
- Item #
- 2757018FAL28840886
What size tires does the 2026 GMC Sierra 1500 AT4X take?
The factory tire size for the 2026 GMC Sierra 1500 AT4X is LT275/70R18.
The catalog lists it at load index 115/112, speed rating Q (up to 99 mph).
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| All wheels | LT275/70R18 | 115/112 | Q |
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.