The most common tyre size on the Cupra Terramar is 235/55R18 (overall diameter ≈ 716 mm). Exact fitment depends on generation and engine — full breakdown below.
| Engine | Tyre sizes |
|---|---|
| Terramar 1.5 TSI - 150 PS - Mild-Hybrid - 1498 Hubraum | 235/55R18 255/40R20 255/45R19 |
| Terramar 2.0 TSI 4Drive - 204 PS - Petrol - 1984 Hubraum | 235/55R18 255/40R20 255/45R19 |
| Terramar 2.0 TSI 4Drive - 265 PS - Petrol - 1984 Hubraum | 235/45R20 235/55R18 255/40R20 255/45R19 |
| Terramar e-Hybrid (110 kW) - 150 PS - PlugIn-Hybrid - 1498 Hubraum | 235/55R18 255/40R20 255/45R19 |
| Terramar e-Hybrid (130 kW) - 177 PS - PlugIn-Hybrid - 1498 Hubraum | 235/45R20 235/55R18 255/40R20 255/45R19 |