GMC Hummer EV SUV tire size
The most common factory tire size for the GMC Hummer EV SUV is LT305/55R22, on 8 of the 13 year and trim fits listed. The table lists every year from 2024 to 2026 and the size each trim was built with. Pick your year and trim to see the tires that fit.
GMC Hummer EV SUV tire sizes by year
| Year | Factory tire size | Trims |
|---|---|---|
| 2026 | LT305/55R22load index 122/119, speed rating S | 2X, 3X, 3X w/Carbon Fiber Pkg. |
| LT305/70R18load index 126/123, speed rating R | 2X w/Off-Road Pkg., 3X w/Off-Road Pkg. | |
| 2025 | LT305/55R22load index 122/119, speed rating S | 2X, 3X |
| LT305/70R18load index 126/123, speed rating R | 2X w/Off-Road Pkg., 3X w/Off-Road Pkg. | |
| 2024 | LT305/70R18load index 126/123, speed rating R | 2X, 3X, 3X Omega Edition, Edition 1 |
| LT305/55R22load index 122/119, speed rating S | 2X, 3X, Edition 1 |
Check your own tire
A trim can be sold with more than one wheel size. The size printed on the sidewall of your current tire, or on the placard in the driver's door jamb, is the one your vehicle has.