Tire specs
- Warranty
- 50,000 miles
- Load index
- 123
- Speed rating
- R (106 mph)
- Load range
- E (10-ply)
- Tread depth
- 18/32"
- Item #
- 2756518GOO176092991
2026 Chevrolet Silverado 1500 Custom Trail Boss — LT275/65R18
2026 Chevrolet Silverado 1500 Custom Trail Boss
- Factory size
- LT275/65R18
- Load / speed
- 113/110Q
14 tire results
Factory-size matches for your vehicleTire specs
- Load index
- 113
- Speed rating
- Q (99 mph)
- Load range
- C (6-ply)
- Item #
- 2756518GOO312067142
What size tires does the 2026 Chevrolet Silverado 1500 Custom Trail Boss take?
The factory tire size for the 2026 Chevrolet Silverado 1500 Custom Trail Boss is LT275/65R18.
The catalog lists it at load index 113/110, speed rating Q (up to 99 mph).
This trim is also listed with 275/60R20, LT265/60R20. Check which one your vehicle has.
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| All wheels | LT275/65R18 | 113/110 | Q |
| All wheels | 275/60R20 | 115 | S |
| All wheels | LT265/60R20 | 110/107 | 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.