Be EV Wise › Comparisons › BYD Sealion 7 vs Mercedes-Benz GLB
BYD Sealion 7 vs Mercedes-Benz GLB
Two electric SUVs at similar prices. Here is how the cheapest version of each compares, using the same October 2026 data. The better figure in each row is highlighted; it is not a recommendation.
The main differences
- The Mercedes-Benz GLB is £890 cheaper than the BYD Sealion 7 (£46,100 against £46,990).
- The Mercedes-Benz GLB goes further: about 295 miles against 260 in typical real-world driving.
- The Mercedes-Benz GLB charges faster from 10% to 80%: about 18 minutes against 32.
- The Mercedes-Benz GLB is more efficient (3.5 against 3.2 miles per kWh), so it costs less to charge per mile.
- The Mercedes-Benz GLB has the bigger boot: 667 litres against 578.
Side by side
| BYD Sealion 7 82.5 kWh RWD | Mercedes-Benz GLB 250+ (7 seats) | |
|---|---|---|
| Guide price (from) | £46,990 | £46,100 |
| Real-world range | 260 mi | 295 mi |
| Official WLTP range | – | 392 mi |
| Cold motorway range | 185 mi | 210 mi |
| Efficiency | 3.2 mi/kWh | 3.5 mi/kWh |
| Usable battery | 82.5 kWh | 85 kWh |
| Rapid charging (peak) | up to 150 kW | up to 353 kW |
| 10–80% charge | 32 min | 18 min |
| AC charging | 11 kW | 11 kW |
| Boot | 578 L | 667 L |
| Towing (braked) | 750 kg | 1,500 kg |
| Length | 4,830 mm | 4,732 mm |
| 0–62 mph | 6.7 s | 7.4 s |
| Heat pump | Standard | Standard |
| V2L | Yes | No |
| Electric Car Grant | Not listed | Not listed |
| Brand warranty | 6 years | Check |
Cheapest version of each model in our list: BYD Sealion 7 82.5 kWh RWD and Mercedes-Benz GLB 250+ (7 seats). Figures from EV Database UK and published UK sources, October 2026. Confirm prices and specifications with the seller.
Frequently asked questions
Which is cheaper, the BYD Sealion 7 or the Mercedes-Benz GLB?
The Mercedes-Benz GLB is £890 cheaper than the BYD Sealion 7 (£46,100 against £46,990).
Which has the longer range, the BYD Sealion 7 or the Mercedes-Benz GLB?
The Mercedes-Benz GLB goes further: about 295 miles against 260 in typical real-world driving.
More on each car
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