Global EV Comparison: MG MG4 Electric 51 kWh vs BYD Dolphin Boost
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General Info
Both vehicles are currently in production and can be purchased new. The MG MG4 Electric 51 kWh (2022-…) has a starting price of €34990, compared to the BYD Dolphin Boost (2024-…), which starts at €32990.
The two vehicles share the same body style: Hatchback.
| Property | MG MG4 Electric 51 kWh | BYD Dolphin Boost |
|---|---|---|
| Years of Production | 2022-… | 2024-… |
| Current Status | Produced | Produced |
| Country of Manufacture | China, Indonesia | China |
| Body Style | Hatchback | Hatchback |
| Market Availability | EU | EU |
| Price Europe (New) | €34990 | €32990 |
| Price Europe (Used) | €17900 | - Price Europe (Used) |
| GCC Score | 5 | 5.3 |
Range and Efficiency
While the MG MG4 Electric 51 kWh (2022-…) offers a longer real-world range and a bigger battery, it is less energy-efficient than the BYD Dolphin Boost (2024-…).
| Property | MG MG4 Electric 51 kWh | BYD Dolphin Boost |
|---|---|---|
| Range (WLTP) | 350 km | 310 km |
| Range (GCC) | 298 km | 264 km |
| Battery Capacity (Nominal) | 51 kWh | 46 kWh |
| Battery Capacity (Usable) | 50.8 kWh | 44.9 kWh |
| Efficiency per 100 km | 17 kWh/100 km | 17 kWh/100 km |
| Efficiency per kWh | 5.87 km/kWh | 5.88 km/kWh |
| Range and Efficiency Score | 5.8 | 5.5 |
Charging
Both vehicles utilize a standard 400-volt architecture.
The MG MG4 Electric 51 kWh (2022-…) offers faster charging speeds at DC stations, reaching up to 87 kW, while the BYD Dolphin Boost (2024-…) maxes out at 65 kW.
The BYD Dolphin Boost (2024-…) features a more powerful on-board charger, supporting a maximum AC charging power of 11 kW, whereas the MG MG4 Electric 51 kWh (2022-…) is limited to 6.6 kW.
| Property | MG MG4 Electric 51 kWh | BYD Dolphin Boost |
|---|---|---|
| Max Charging Power (AC) | 6.6 kW | 11 kW |
| Max Charging Power (DC) | 87 kW | 65 kW |
| Architecture | 400 V | 400 V |
| Charge Port | CCS Type 2 | CCS Type 2 |
| Charging Score | 3.8 | 5.3 |
Performance
The MG MG4 Electric 51 kWh (2022-…) is rear-wheel drive, while the BYD Dolphin Boost (2024-…) offers a front-wheel drive system.
The BYD Dolphin Boost (2024-…) boasts greater motor power and accelerates faster from 0 to 100 km/h.
| Property | MG MG4 Electric 51 kWh | BYD Dolphin Boost |
|---|---|---|
| Drive Type | RWD | FWD |
| Motor Type | PMSM | PMSM |
| Motor Power (kW) | 125 kW | 130 kW |
| Motor Power (hp) | 168 hp | 174 hp |
| Motor Torque | 250 Nm | 260 Nm |
| 0-100 km/h | 7.7 s | 7.5 s |
| Top Speed | 160 km/h | 160 km/h |
| Performance Score | 3.2 | 3.3 |
Dimensions
The MG MG4 Electric 51 kWh (2022-…) has a wider body, offering a more shoulder room, while the BYD Dolphin Boost (2024-…) stands taller for a more elevated driving position. Despite these differences, their lengths are nearly identical.
Both models have similar wheelbase lengths.
| Property | MG MG4 Electric 51 kWh | BYD Dolphin Boost |
|---|---|---|
| Length | 4287 mm | 4290 mm |
| Width (with Mirrors) | 2060 mm | 2012 mm |
| Width (w/o Mirrors) | 1836 mm | 1770 mm |
| Height | 1504 mm | 1570 mm |
| Wheelbase | 2705 mm | 2700 mm |
Cargo and Towing
The MG MG4 Electric 51 kWh (2022-…) features a larger trunk, but the BYD Dolphin Boost (2024-…) offers greater maximum cargo capacity when the rear seats are folded.
Neither car is equipped with a frunk (front trunk).
The MG MG4 Electric 51 kWh (2022-…) has a towing capacity of up to 500 kg, whereas the BYD Dolphin Boost (2024-…) is not officially rated for towing in the EU.
| Property | MG MG4 Electric 51 kWh | BYD Dolphin Boost |
|---|---|---|
| Number of Seats | 5 | 5 |
| Curb Weight | 1710 kg | 1568 kg |
| Cargo Volume (Trunk) | 363 l | 345 l |
| Cargo Volume (Max) | 1177 l | 1310 l |
| Cargo Volume (Frunk) | - Cargo Volume (Frunk) | - Cargo Volume (Frunk) |
| Towing Capacity | 500 kg | - Towing Capacity |
| Cargo and Towing Score | 4.5 | 4.4 |