BYD Dolphin Mini 2025 vs Mercedes Klasa B B 250 e 2026
TCO comparison over 5 years (15,000 km/year)
Polish market data, FX-converted from PLN at a fixed NBP rate (2026-04-26).
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Cheaper to run
BYD Dolphin Mini 2025
You save £297/mo (£17,803 over 5 years) compared to Mercedes Klasa B B 250 e 2026.
Electric · A - Mini
BYD Dolphin Mini 2025
£357/mo
New price: £15,000 · Residual after 5y: 32%
Plug-in Hybrid · C - Compact
Mercedes Klasa B B 250 e 2026
£653/mo
New price: £38,980 · Residual after 5y: 42%
Full cost breakdown
| Category | BYD | Mercedes |
|---|---|---|
| Starting price | £15,000 | £38,980 |
| Monthly (TCO) | £357 | £653 |
| Fuel / energy (mo) | £71 | £91 |
| Service (mo) | £12 | £34 |
| Insurance (mo) | £39 | £87 |
| Depreciation (mo) | £170 | £377 |
| Residual after 5 years | £4,779 | £16,372 |
| Retention (%) - forecast | 32% | 42% |
| CO₂ emissions (g/km) | 0 | 28 |
| Warranty (years) | 6 | - |
Calculated by the TCO v6.0 engine against a database of 500+ models. Actual figures will vary with driving style, region and individual insurance history. Open the full calculator.