Tire specs
- Warranty
- 60,000 miles
- Load index
- 126/123
- Speed rating
- R (106 mph)
- Load range
- E (10-ply)
- Tread depth
- 14/32"
- Item #
- 2756520MIC04238
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
- Warranty
- 50,000 miles
- Load index
- 126
- Speed rating
- S (112 mph)
- Load range
- E (10-ply)
- Item #
- 2756520BFG26116
Tire specs
- Load index
- 126
- Speed rating
- Q (99 mph)
- Load range
- E (10-ply)
- Item #
- 2756520YOK110133335
Tire specs
- Warranty
- 50,000 miles
- Load index
- 126/123
- Speed rating
- R (106 mph)
- Load range
- E (10-ply)
- Tread depth
- 18/32"
- Item #
- 2756520MAS175157018
Tire specs
- Load index
- 126/123
- Speed rating
- S (112 mph)
- Load range
- E (10-ply)
- Tread depth
- 17/32"
- Item #
- 2756520KEN601044
Tire specs
- Warranty
- 55,000 miles
- Load index
- 126/123
- Speed rating
- Q (99 mph)
- Load range
- E (10-ply)
- Tread depth
- 18.5/32"
- Item #
- 2756520COO170057007
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 #
- 2756520NIT223900
Tire specs
- Warranty
- 60,000 miles
- Load index
- 126/123
- Speed rating
- R (106 mph)
- Load range
- E (10-ply)
- Tread depth
- 13/32"
- Item #
- 2756520GOO131090944
Tire specs
- Warranty
- 65,000 miles
- Load index
- 126/123
- Speed rating
- S (112 mph)
- Load range
- E (10-ply)
- Tread depth
- 16/32"
- Item #
- 2756520CON15582830000
Tire specs
- Warranty
- 50,000 miles
- Load index
- 126/123
- Speed rating
- S (112 mph)
- Load range
- E (10-ply)
- Tread depth
- 16.4/32"
- Item #
- 2756520TOY355420
Tire specs
- Warranty
- 50,000 miles
- Load index
- 126/123
- Speed rating
- Q (99 mph)
- Load range
- E (10-ply)
- Tread depth
- 18.5/32"
- Item #
- 2756520MTP331028001
Tire specs
- Warranty
- 50,000 miles
- Load index
- 126
- Speed rating
- S (112 mph)
- Load range
- E (10-ply)
- Tread depth
- 16/32"
- Item #
- 2756520FIR004382
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.