The most common tyre size on the Ferrari Portofino is 235/35R20 (overall diameter ≈ 673 mm). Exact fitment depends on generation and engine — full breakdown below.
| Engine | Tyre sizes |
|---|---|
| Portofino 3.9 V8 Turbo - 600 PS - Petrol - 3855 Hubraum | 235/35R20 245/35R20 285/35R20 |
| Portofino M V8 - 620 PS - Petrol - 3855 Hubraum | 235/35R20 245/35R20 275/35R20 285/35R20 |