BMW i3 50 xDrive (2026–) vs Mercedes C 400 4MATIC (2026–): which costs less?
Total cost at 15,000 km/yr: BMW i3 50 xDrive (2026–) €918/mo · Mercedes C 400 4MATIC (2026–) €945/mo. BMW i3 50 xDrive (2026–) stays the cheaper car across all usage profiles (8,000–30,000 km/yr).
The trade-offs
- BMW i3 50 xDrive (2026–) costs about €28 less per month at 15,000 km/yr.
- BMW i3 50 xDrive (2026–) goes 98 km further in real −10 °C conditions.
- BMW i3 50 xDrive (2026–) spends 5 minutes less at fast chargers over a 600 km trip.
- Mercedes C 400 4MATIC (2026–) has 50 l more boot space.
Side by side
| BMW i3 50 xDrive (2026–) | Mercedes C 400 4MATIC (2026–) | |
|---|---|---|
| List price | €65,900 (better) | €67,711 |
| €/month (15,000 km) | €918 (better) | €945 |
| €/month (25,000 km) | €1,026 (better) | €1,059 |
| Range (WLTP) | 912 km (better) | 753 km |
| Footprint (L×W, excl. mirrors) | 8.88 m² | 9.24 m² |
| Real range (mild/cold) | 812 km / 608 km (better) | 671 km / 510 km |
| 600 km long trip | 1 charging stop · +2 min (better) | 1 charging stop · +7 min |
| Consumption (WLTP) | 13.4 kWh/100 km (better) | 14.3 kWh/100 km |
| Battery | 108.7 kWh | 94.0 kWh |
| Max DC charge | 400 kW (better) | 330 kW |
| 0–100 km/h | 4.7 s | 4.0 s (better) |
| Boot | 420 L | 470 L (better) |
| Seats | 5 | 5 |
Break-even by mileage
| km/yr | BMW i3 50 xDrive (2026–) | Mercedes C 400 4MATIC (2026–) |
|---|---|---|
| 10,000 | €863 | €888 |
| 15,000 | €918 | €945 |
| 20,000 | €972 | €1,002 |
| 25,000 | €1,026 | €1,059 |
| 30,000 | €1,080 | €1,115 |
Compare interactively → · BMW i3 50 xDrive (2026–): cost deep-dive · Mercedes C 400 4MATIC (2026–): cost deep-dive