Both the CITROEN C4 and the SEAT IBIZA are tracked here from official DVLA licensing data, and as of 2026 Q2 there are 190,405 CITROEN C4s versus 230,709 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 (-5.4%) while the SEAT IBIZA is rising (+0.1%).
| CITROEN C4 | SEAT IBIZA | |
|---|---|---|
| Left in the UK (2026 Q2) | 190,405 | 230,709 |
| Rarity tier | Common | Common |
| Licensed | 175,831 | 214,116 |
| SORN (off-road) | 14,574 | 16,593 |
| Peak | 240,030 (2018 Q3) | 231,405 (2019 Q4) |
| Year-on-year | ▼ 10,907 (-5.4%) yr/yr | ▲ 293 (+0.1%) yr/yr |
The CITROEN C4 is rarer: 190,405 are left in the UK as of 2026 Q2, compared with 230,709 of the SEAT IBIZA.
As of 2026 Q2 there are 190,405 CITROEN C4 and 230,709 SEAT IBIZA still registered (taxed or SORN) in the UK, according to DVLA data.