The most common tyre size on the Peugeot 408 is 205/55R19 (overall diameter ≈ 708 mm). Exact fitment depends on generation and engine — full breakdown below.
| Engine | Tyre sizes |
|---|---|
| 408 PureTech 130 EAT8 - 131 PS - Petrol - 1199 Hubraum | 205/55R19 215/65R17 245/40R20 |
| 408 PureTech 136 - 136 PS - Mild-Hybrid - 1199 Hubraum | 205/55R19 215/65R17 |
| 408 PureTech 150 PlugIn - 150 PS - PlugIn-Hybrid - 1598 Hubraum | 205/55R19 215/65R17 245/40R20 |
| 408 PureTech 180 PlugIn - 179 PS - PlugIn-Hybrid - 1598 Hubraum | 205/55R19 215/65R17 245/40R20 |
| e-408 - 141 PS - Electrical | 225/50R19 |