Tire specs
- Load index
- 126
- Speed rating
- R (106 mph)
- Load range
- E (10-ply)
- Tread depth
- 14/32"
- Item #
- 3057018GOO796289833
2025 GMC Hummer EV SUV 2X w/Off-Road Pkg. — LT305/70R18
2025 GMC Hummer EV SUV 2X w/Off-Road Pkg.
- Factory size
- LT305/70R18
- Load / speed
- 126/123R
2 tire results
Factory-size matches for your vehicleTire specs
- Warranty
- 50,000 miles
- Load index
- 126/123
- Speed rating
- Q (99 mph)
- Load range
- E (10-ply)
- Tread depth
- 19/32"
- Item #
- 3057018MTP331039001
What size tires does the 2025 GMC Hummer EV SUV 2X w/Off-Road Pkg. take?
The factory tire size for the 2025 GMC Hummer EV SUV 2X w/Off-Road Pkg. is LT305/70R18.
The catalog lists it at load index 126/123, speed rating R (up to 106 mph).
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| All wheels | LT305/70R18 | 126/123 | 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.