Both the BMW Z3 and the MERCEDES EQB CLASS are tracked here from official DVLA licensing data, and as of 2025 Q4 there are 15,900 BMW Z3s versus 19,978 MERCEDES EQB CLASSs still on UK roads. That makes the BMW Z3 the rarer of the two — there are about 1.3× as many MERCEDES EQB CLASSs left. Year on year their fortunes diverge: the BMW Z3 is falling (-1.6%) while the MERCEDES EQB CLASS is rising (+35.8%).
| BMW Z3 | MERCEDES EQB CLASS | |
|---|---|---|
| Left in the UK (2025 Q4) | 15,900 | 19,978 |
| Rarity tier | Common | Common |
| Licensed | 6,700 | 19,901 |
| SORN (off-road) | 9,200 | 77 |
| Peak | 20,080 (2014 Q3) | 19,978 (2025 Q4) |
| Year-on-year | ▼ 253 (-1.6%) yr/yr | ▲ 5,264 (+35.8%) yr/yr |
The BMW Z3 is rarer: 15,900 are left in the UK as of 2025 Q4, compared with 19,978 of the MERCEDES EQB CLASS.
As of 2025 Q4 there are 15,900 BMW Z3 and 19,978 MERCEDES EQB CLASS still registered (taxed or SORN) in the UK, according to DVLA data.