Both the AUDI S5 and the CITROEN DS4 are tracked here from official DVLA licensing data, and as of 2025 Q4 there are 12,170 AUDI S5s versus 10,004 CITROEN DS4s still on UK roads. That makes the CITROEN DS4 the rarer of the two — there are about 1.2× as many AUDI S5s left. Year on year their fortunes diverge: the AUDI S5 is rising (+5.4%) while the CITROEN DS4 is falling (-5.1%).
| AUDI S5 | CITROEN DS4 | |
|---|---|---|
| Left in the UK (2025 Q4) | 12,170 | 10,004 |
| Rarity tier | Common | Common |
| Licensed | 11,345 | 9,324 |
| SORN (off-road) | 825 | 680 |
| Peak | 12,170 (2025 Q4) | 12,019 (2017 Q3) |
| Year-on-year | ▲ 620 (+5.4%) yr/yr | ▼ 535 (-5.1%) yr/yr |
The CITROEN DS4 is rarer: 10,004 are left in the UK as of 2025 Q4, compared with 12,170 of the AUDI S5.
As of 2025 Q4 there are 12,170 AUDI S5 and 10,004 CITROEN DS4 still registered (taxed or SORN) in the UK, according to DVLA data.