The most common tyre size on the Opel Calibra is 195/60R15 (overall diameter ≈ 615 mm). Exact fitment depends on generation and engine — full breakdown below.
| Engine | Tyre sizes |
|---|---|
| Calibra 2.0i - 116 PS - Benzin - 1998 Hubraum | 175/70R14 195/60R14 195/60R15 205/50R16 205/55R15 |
| Calibra 2.0i 16V - 136 PS - Benzin - 1998 Hubraum | 175/70R14 195/60R14 195/60R15 205/50R16 205/55R15 |
| Calibra 2.0i 16V - 150 PS - Benzin - 1998 Hubraum | 175/70R14 195/60R15 205/55R15 |
| Calibra 2.0i 16V 4x4 - 136 PS - Benzin - 1998 Hubraum | 175/70R14 195/60R14 195/60R15 205/55R15 205/50R16 |
| Calibra 2.0i 16V 4x4 - 150 PS - Benzin - 1998 Hubraum | 175/70R14 195/60R15 205/55R15 |
| Calibra 2.0i 4x4 - 116 PS - Benzin - 1998 Hubraum | 175/70R14 195/60R14 195/60R15 205/55R15 205/50R16 |
| Calibra 2.0i Turbo 4x4 - 204 PS - Benzin - 1998 Hubraum | 195/60R15 205/50R16 205/55R15 |
| Calibra 2.5i V6 - 170 PS - Benzin - 2498 Hubraum | 195/60R15 205/50R16 205/55R15 |