Both the FORD KA and the MERCEDES A CLASS are tracked here from official DVLA licensing data, and as of 2025 Q4 there are 149,587 FORD KAs versus 404,404 MERCEDES A CLASSs still on UK roads. That makes the FORD KA the rarer of the two — there are about 2.7× as many MERCEDES A CLASSs left. Year on year their fortunes diverge: the FORD KA is falling (-5.9%) while the MERCEDES A CLASS is rising (+1.4%).
| FORD KA | MERCEDES A CLASS | |
|---|---|---|
| Left in the UK (2025 Q4) | 149,587 | 404,404 |
| Rarity tier | Common | Common |
| Licensed | 121,517 | 390,379 |
| SORN (off-road) | 28,070 | 14,025 |
| Peak | 406,854 (2014 Q3) | 404,404 (2025 Q4) |
| Year-on-year | ▼ 9,450 (-5.9%) yr/yr | ▲ 5,393 (+1.4%) yr/yr |
The FORD KA is rarer: 149,587 are left in the UK as of 2025 Q4, compared with 404,404 of the MERCEDES A CLASS.
As of 2025 Q4 there are 149,587 FORD KA and 404,404 MERCEDES A CLASS still registered (taxed or SORN) in the UK, according to DVLA data.