2026 GMC Hummer EV SUV tire size
Most common factory size
LT305/55R22
- Factory sizes
- 1
- Across 2 trims
- Trims with no size
- 4
- Diameter
- 35.21 in
- Revs per mile
- 573
Tire sizes by trim
Source marks: one source
| Size | Trims | Width, mm | Sidewall, % of width | Rim, in | Diameter, in | Sidewall, in | Revs per mile |
|---|---|---|---|---|---|---|---|
| LT305/55R22 | All 2 trims | 305 | 55 | 22 | 35.21 | 6.60 | 573 |
What LT305/55R22 means
| Part | Number | Meaning |
|---|---|---|
| Type | LT | Light truck tire. |
| Width | 305 mm | Tread width. 12.0 in. |
| Sidewall | 55 | Sidewall height is 55% of the width. |
| Construction | R | Radial tire. |
| Rim | 22 in | Fits 22 in wheels. |
Other sizes that fit
Within 3% of the stock diameter. A common shop guideline, not a maker spec.
| Size | Rim, in | Diameter, in | Change | Speedo reads at 60 mph |
|---|---|---|---|---|
| 275/60R22 | 22 | 34.99 | -0.6% | 60.4 mph |
| 325/55R22 | 22 | 36.07 | +2.5% | 58.6 mph |
Checked against 292 factory sizes listed for 2009-2027 US models.
What this cannot tell you
Tire pressure is on the driver door sticker. Not in this data.
Optional wheel packages may differ.
- Two or more sources agree
- One source
- Model-level or estimate
- Sources differ