USA EV Comparison: BYD Dolphin Boost vs MG MG4 Electric 51 kWh

Side-by-side comparison of all specifications in imperial units (mi, lb). To see metric units (km, kg), switch website version to Global.
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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 BYD Dolphin Boost MG MG4 Electric 51 kWh
Years of Production 2024-… 2022-…
Current Status Produced Produced
Country of Manufacture China China, Indonesia
Body Style Hatchback Hatchback
Market Availability EU EU
GCC Score 5.3 5

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 BYD Dolphin Boost MG MG4 Electric 51 kWh
Range (WLTP) 193 mi 217 mi
Range (GCC) 164 mi 185 mi
Battery Capacity (Nominal) 46 kWh 51 kWh
Battery Capacity (Usable) 44.9 kWh 50.8 kWh
Efficiency per 100 mi 27.4 kWh/100 mi 27.5 kWh/100 mi
Efficiency per kWh 3.65 mi/kWh 3.64 mi/kWh
Range and Efficiency Score 5.5 5.8

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 BYD Dolphin Boost MG MG4 Electric 51 kWh
Max Charging Power (AC) 11 kW 6.6 kW
Max Charging Power (DC) 65 kW 87 kW
Architecture 400 V 400 V
Charge Port CCS Type 2 CCS Type 2
Charging Score 5.3 3.8

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 BYD Dolphin Boost MG MG4 Electric 51 kWh
Drive Type FWD RWD
Motor Type PMSM PMSM
Motor Power (kW) 130 kW 125 kW
Motor Power (hp) 174 hp 168 hp
Motor Torque 192 lb-ft 184 lb-ft
0-60 mph 7.2 s 7.4 s
Top Speed 99 mph 99 mph
Performance Score 3.3 3.2

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 BYD Dolphin Boost MG MG4 Electric 51 kWh
Length 168.9 in 168.8 in
Width (with Mirrors) 79.2 in 81.1 in
Width (w/o Mirrors) 69.7 in 72.3 in
Height 61.8 in 59.2 in
Wheelbase 106.3 in 106.5 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 BYD Dolphin Boost MG MG4 Electric 51 kWh
Number of Seats 5 5
Curb Weight 3457 lb 3770 lb
Cargo Volume (Trunk) 12.2 ft3 12.8 ft3
Cargo Volume (Max) 46.3 ft3 41.6 ft3
Cargo Volume (Frunk) - Cargo Volume (Frunk) - Cargo Volume (Frunk)
Towing Capacity - Towing Capacity 1102 lb
Cargo and Towing Score 4.4 4.5
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