Tire specs
- Warranty
- 50,000 miles
- Load index
- 128
- Speed rating
- S (112 mph)
- Load range
- F (12-ply)
- Tread depth
- 16/32"
- Item #
- 3057018BFG46828
2023 GMC Hummer EV 3X — LT305/70R18
2023 GMC Hummer EV 3X
- Factory size
- LT305/70R18
- Load / speed
- 126/123R
5 tire results
Factory-size matches for your vehicleTire specs
- Load index
- 126/123
- Speed rating
- R (106 mph)
- Load range
- E (10-ply)
- Tread depth
- 15/32"
- Item #
- 3057018GOO796289833
Tire specs
- Load index
- 126
- Speed rating
- Q (99 mph)
- Load range
- E (10-ply)
- Item #
- 3057018MAS175028009
Tire specs
- Warranty
- 50,000 miles
- Load index
- 126/123
- Speed rating
- R (106 mph)
- Load range
- E (10-ply)
- Tread depth
- 16.8/32"
- Item #
- 3057018TOY357220
Tire specs
- Load index
- 126/123
- Speed rating
- Q (99 mph)
- Load range
- E (10-ply)
- Tread depth
- 18/32"
- Item #
- 3057018COO170078004
What size tires does the 2023 GMC Hummer EV 3X take?
The factory tire size for the 2023 GMC Hummer EV 3X is LT305/70R18.
The catalog lists it at load index 126/123, speed rating R (up to 106 mph).
This trim is also listed with LT305/55R22. Check which one your vehicle has.
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| All wheels | LT305/70R18 | 126/123 | R |
| All wheels | LT305/55R22 | 122/119 | 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.