The most common tyre size on the Ferrari 296 GTB is 235/35R20 (overall diameter ≈ 673 mm). Exact fitment depends on generation and engine — full breakdown below.
| Engine | Tyre sizes |
|---|---|
| 296 GTB - 663 PS - PlugIn-Hybrid - 2992 Hubraum | 235/35R20 245/35R20 285/35R20 305/35R20 |
| 296 GTS - 663 PS - PlugIn-Hybrid - 2992 Hubraum | 235/35R20 245/35R20 285/35R20 305/35R20 |
| 296 Speciale - 700 PS - PlugIn-Hybrid - 2992 Hubraum | 235/35R20 245/35R20 285/35R20 305/35R20 |