Both the CITROEN C4 and the SEAT IBIZA are tracked here from official DVLA licensing data, and as of 2025 Q4 there are 196,421 CITROEN C4s versus 231,220 SEAT IBIZAs still on UK roads. That makes the CITROEN C4 the rarer of the two — there are about 1.2× as many SEAT IBIZAs left. Year on year their fortunes diverge: the CITROEN C4 is falling (-4.4%) while the SEAT IBIZA is rising (+0.6%).
| CITROEN C4 | SEAT IBIZA | |
|---|---|---|
| Left in the UK (2025 Q4) | 196,421 | 231,220 |
| Rarity tier | Common | Common |
| Licensed | 182,356 | 215,022 |
| SORN (off-road) | 14,065 | 16,198 |
| Peak | 240,030 (2018 Q3) | 231,405 (2019 Q4) |
| Year-on-year | ▼ 9,108 (-4.4%) yr/yr | ▲ 1,454 (+0.6%) yr/yr |
The CITROEN C4 is rarer: 196,421 are left in the UK as of 2025 Q4, compared with 231,220 of the SEAT IBIZA.
As of 2025 Q4 there are 196,421 CITROEN C4 and 231,220 SEAT IBIZA still registered (taxed or SORN) in the UK, according to DVLA data.