2026 GMC Sierra 2500 HD SLE (DRW) — LT235/80R18
O.E. size · LT235/80R18
2026 GMC Sierra 2500 HD SLE (DRW)
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What size tires does the 2026 GMC Sierra 2500 HD SLE (DRW) take?
The factory tire size for the 2026 GMC Sierra 2500 HD SLE (DRW) is LT235/80R18.
The catalog lists it at load index 121/118, speed rating R (up to 106 mph).
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| All wheels | LT235/80R18 | 121/118 | R |
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.