Not sure what trim options are for your 2026 GMC Sierra 3500 HD?
Choose from the options below.
Version/Option
Tire Size
Version/Option
Tire Size
275/65R20
275/65R20
235/80R18
275/65R20
235/80R18
275/70R18
235/80R18
235/80R17
Version/Option
Tire Size
Version/Option
Tire Size
275/65R20
275/65R20
235/80R18
275/65R20
235/80R18
275/70R18
Find your personalized tire set.
There are two places to find your tire size. Look directly on your tire sidewall or inside your driver’s side door jamb for your vehicle’s tire size.
Passenger Tire Sidewall
High Flotation Tire Sidewall
Inside Your Door Jamb