The most common tyre size on the Genesis G80 is 245/45R19 (overall diameter ≈ 703 mm). Exact fitment depends on generation and engine — full breakdown below.
| Engine | Tyre sizes |
|---|---|
| 2.2 D - 209 PS - Diesel - 2151 Hubraum | 245/40R20 245/45R19 245/50R18 275/35R20 275/40R19 |
| 2.5 - 305 PS - Petrol - 2497 Hubraum | 245/40R20 245/45R19 245/50R18 275/35R20 275/40R19 |
| Electrified G80 - 122 PS - Electrical | 245/45R19 275/40R19 |
| Electrified G80 - 61 PS - Electrical | 245/45R19 275/40R19 |