Tire specs
- Load range
- E (10-ply)
- Item #
- 2756520BRI012451
2026 GMC Sierra 3500 HD Denali Ultimate — LT275/65R20
2026 GMC Sierra 3500 HD Denali Ultimate
- Factory size
- LT275/65R20
- Load / speed
- 126/123S
56 tire results
Factory-size matches for your vehicleTire specs
- Load index
- 126/123
- Speed rating
- Q (99 mph)
- Load range
- E (10-ply)
- Tread depth
- 19/32"
- Item #
- 2756520NEX15929NXK
Tire specs
- Warranty
- 70,000 miles
- Load index
- 126/123
- Speed rating
- S (112 mph)
- Load range
- E (10-ply)
- Item #
- 2756520MIC22455
Tire specs
- Warranty
- 50,000 miles
- Load index
- 126/123
- Speed rating
- S (112 mph)
- Load range
- E (10-ply)
- Tread depth
- 16/32"
- Item #
- 2756520BFG17400
Tire specs
- Warranty
- 45,000 miles
- Load index
- 126/123
- Speed rating
- Q (99 mph)
- Load range
- E (10-ply)
- Tread depth
- 18/32"
- Item #
- 2756520YOK110116022
Tire specs
- Warranty
- 55,000 miles
- Load index
- 126/123
- Speed rating
- S (112 mph)
- Load range
- E (10-ply)
- Tread depth
- 16/32"
- Item #
- 2756520MAS175099010
Tire specs
- Warranty
- 60,000 miles
- Load index
- 126/123
- Speed rating
- S (112 mph)
- Load range
- E (10-ply)
- Tread depth
- 16/32"
- Item #
- 2756520COO170294048
Tire specs
- Warranty
- 55,000 miles
- Load index
- 126/123
- Speed rating
- S (112 mph)
- Load range
- E (10-ply)
- Tread depth
- 15.9/32"
- Item #
- 2756520NIT218000
Tire specs
- Warranty
- 55,000 miles
- Load index
- 126
- Speed rating
- S (112 mph)
- Load range
- E (10-ply)
- Tread depth
- 16/32"
- Item #
- 2756520GOO481299004
Tire specs
- Warranty
- 45,000 miles
- Load index
- 126/123
- Speed rating
- S (112 mph)
- Load range
- E (10-ply)
- Tread depth
- 16.4/32"
- Item #
- 2756520TOY354150
Tire specs
- Load index
- 126/123
- Speed rating
- Q (99 mph)
- Load range
- E (10-ply)
- Item #
- 2756520BFG38063
Tire specs
- Load index
- 126/123
- Speed rating
- Q (99 mph)
- Load range
- E (10-ply)
- Tread depth
- 19.5/32"
- Item #
- 2756520COO170127006
What size tires does the 2026 GMC Sierra 3500 HD Denali Ultimate take?
The factory tire size for the 2026 GMC Sierra 3500 HD Denali Ultimate is LT275/65R20.
The catalog lists it at load index 126/123, speed rating S (up to 112 mph).
This trim is also listed with LT265/60R22. Check which one your vehicle has.
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| All wheels | LT275/65R20 | 126/123 | S |
| All wheels | LT265/60R22 | 123/120 | S |
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.