The most common tyre size on the DS No 4 is 205/55R19 (overall diameter ≈ 708 mm). Exact fitment depends on generation and engine — full breakdown below.
| Engine | Tyre sizes |
|---|---|
| N° 4 1.2 - 136 PS - Mild-Hybrid - 1199 Hubraum | 205/55R19 215/65R17 |
| N° 4 1.6 PlugIn - 179 PS - PlugIn-Hybrid - 1598 Hubraum | 205/55R19 215/65R17 225/55R18 245/40R20 |
| N°4 1.5 D - 131 PS - Diesel - 1499 Hubraum | 205/55R19 215/65R17 225/55R18 |
| e-N° 4 - 141 PS - Electrical | 225/50R19 |