USA EV Comparison: MG MG4 Electric 51 kWh vs BYD Dolphin Boost
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General Info
While both vehicles are currently in production, they are not sold in the United States.
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 |
| 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) | 217 mi | 193 mi |
| Range (GCC) | 185 mi | 164 mi |
| Battery Capacity (Nominal) | 51 kWh | 46 kWh |
| Battery Capacity (Usable) | 50.8 kWh | 44.9 kWh |
| Efficiency per 100 mi | 27.5 kWh/100 mi | 27.4 kWh/100 mi |
| Efficiency per kWh | 3.64 mi/kWh | 3.65 mi/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 60 mph.
| 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 | 184 lb-ft | 192 lb-ft |
| 0-60 mph | 7.4 s | 7.2 s |
| Top Speed | 99 mph | 99 mph |
| 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 | 168.8 in | 168.9 in |
| Width (with Mirrors) | 81.1 in | 79.2 in |
| Width (w/o Mirrors) | 72.3 in | 69.7 in |
| Height | 59.2 in | 61.8 in |
| Wheelbase | 106.5 in | 106.3 in |
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 1102 lb, whereas the BYD Dolphin Boost (2024-…) is not officially rated for towing in the US.
| Property | MG MG4 Electric 51 kWh | BYD Dolphin Boost |
|---|---|---|
| Number of Seats | 5 | 5 |
| Curb Weight | 3770 lb | 3457 lb |
| Cargo Volume (Trunk) | 12.8 ft3 | 12.2 ft3 |
| Cargo Volume (Max) | 41.6 ft3 | 46.3 ft3 |
| Cargo Volume (Frunk) | - Cargo Volume (Frunk) | - Cargo Volume (Frunk) |
| Towing Capacity | 1102 lb | - Towing Capacity |
| Cargo and Towing Score | 4.5 | 4.4 |