MERCEDES 300 · POLESTAR POLESTAR 4
Both the MERCEDES 300 and the POLESTAR POLESTAR 4 are tracked here from official DVLA licensing data, and as of 2026 Q1 there are 11,446 MERCEDES 300s versus 13,693 POLESTAR POLESTAR 4s still on UK roads. That makes the MERCEDES 300 the rarer of the two — there are about 1.2× as many POLESTAR POLESTAR 4s left. Both are rising year on year (MERCEDES 300 +0.1%, POLESTAR POLESTAR 4 +256.5%).
| MERCEDES 300 | POLESTAR POLESTAR 4 | |
|---|---|---|
| Left in the UK (2026 Q1) | 11,446 | 13,693 |
| Rarity tier | Common | Common |
| Licensed | 4,002 | 13,546 |
| SORN (off-road) | 7,444 | 147 |
| Peak | 13,259 (2014 Q3) | 13,693 (2026 Q1) |
| Year-on-year | ▲ 6 (+0.1%) yr/yr | ▲ 9,852 (+256.5%) yr/yr |
The MERCEDES 300 is rarer: 11,446 are left in the UK as of 2026 Q1, compared with 13,693 of the POLESTAR POLESTAR 4.
As of 2026 Q1 there are 11,446 MERCEDES 300 and 13,693 POLESTAR POLESTAR 4 still registered (taxed or SORN) in the UK, according to DVLA data.