2023 GMC Hummer EV Edition 1 — LT305/70R18
2023 GMC Hummer EV Edition 1
- Factory size
- LT305/70R18
- Load / speed
- 126/123R
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What size tires does the 2023 GMC Hummer EV Edition 1 take?
The factory tire size for the 2023 GMC Hummer EV Edition 1 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.