Both the MAZDA 5 and the MERCEDES GLB CLASS are tracked here from official DVLA licensing data, and as of 2026 Q1 there are 9,200 MAZDA 5s versus 24,449 MERCEDES GLB CLASSs still on UK roads. That makes the MAZDA 5 the rarer of the two — there are about 2.7× as many MERCEDES GLB CLASSs left. Year on year their fortunes diverge: the MAZDA 5 is falling (-13.1%) while the MERCEDES GLB CLASS is rising (+12.4%).
| MAZDA 5 | MERCEDES GLB CLASS | |
|---|---|---|
| Left in the UK (2026 Q1) | 9,200 | 24,449 |
| Rarity tier | Uncommon | Common |
| Licensed | 7,383 | 23,805 |
| SORN (off-road) | 1,817 | 644 |
| Peak | 24,795 (2015 Q3) | 24,449 (2026 Q1) |
| Year-on-year | ▼ 1,384 (-13.1%) yr/yr | ▲ 2,691 (+12.4%) yr/yr |
The MAZDA 5 is rarer: 9,200 are left in the UK as of 2026 Q1, compared with 24,449 of the MERCEDES GLB CLASS.
As of 2026 Q1 there are 9,200 MAZDA 5 and 24,449 MERCEDES GLB CLASS still registered (taxed or SORN) in the UK, according to DVLA data.