2026 Chevrolet Silverado EV Trail Boss — LT285/75R18
O.E. size · LT285/75R18
2026 Chevrolet Silverado EV Trail Boss
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What size tires does the 2026 Chevrolet Silverado EV Trail Boss take?
The factory tire size for the 2026 Chevrolet Silverado EV Trail Boss is LT285/75R18.
The catalog lists it at load index 129/126, speed rating S (up to 112 mph).
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| All wheels | LT285/75R18 | 129/126 | 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.