Both the AUDI Q4 and the MERCEDES CLK CLASS are tracked here from official DVLA licensing data, and as of 2026 Q2 there are 64,655 AUDI Q4s versus 30,257 MERCEDES CLK CLASSs still on UK roads. That makes the MERCEDES CLK CLASS the rarer of the two — there are about 2.1× as many AUDI Q4s left. Year on year their fortunes diverge: the AUDI Q4 is rising (+25.7%) while the MERCEDES CLK CLASS is falling (-7.8%).
| AUDI Q4 | MERCEDES CLK CLASS | |
|---|---|---|
| Left in the UK (2026 Q2) | 64,655 | 30,257 |
| Rarity tier | Common | Common |
| Licensed | 64,323 | 19,101 |
| SORN (off-road) | 332 | 11,156 |
| Peak | 64,655 (2026 Q2) | 64,291 (2014 Q3) |
| Year-on-year | ▲ 13,228 (+25.7%) yr/yr | ▼ 2,561 (-7.8%) yr/yr |
The MERCEDES CLK CLASS is rarer: 30,257 are left in the UK as of 2026 Q2, compared with 64,655 of the AUDI Q4.
As of 2026 Q2 there are 64,655 AUDI Q4 and 30,257 MERCEDES CLK CLASS still registered (taxed or SORN) in the UK, according to DVLA data.