Seat Mii Electric vs BYD Dolphin Boost

Side-by-side comparison of all specifications in metric units (km, kg). To see imperial units (mi, lb), switch website version to USA.
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General Info

The BYD Dolphin Boost (2024-…) is announced, but not yet in production. The Seat Mii Electric (2019-2021) has been discontinued. You can find it for as low as €11390 on the used car market.

The two vehicles share the same body style: Hatchback.

Property Seat Mii Electric BYD Dolphin Boost
Years of Production 2019-2021 2024-…
Current Status Discontinued Announced
Country of Manufacture Slovakia China
Body Style Hatchback Hatchback
Market Availability EU EU
Price Europe (New) - Price Europe (New) €30000
Price Europe (Used) €11390 - Price Europe (Used)
GCC Score 4.5 5.3

Range and Efficiency

While the BYD Dolphin Boost (2024-…) offers a longer real-world range and a bigger battery, it is less energy-efficient than the Seat Mii Electric (2019-2021).

Property Seat Mii Electric BYD Dolphin Boost
Range (WLTP) 259 km 310 km
Range (GCC) 223 km 264 km
Battery Capacity (Nominal) 36.8 kWh 46 kWh
Battery Capacity (Usable) 32.3 kWh 44.9 kWh
Efficiency per 100 km 14.5 kWh/100 km 17 kWh/100 km
Efficiency per kWh 6.9 km/kWh 5.88 km/kWh
Range and Efficiency Score 6.1 5.6

Charging

Both vehicles utilize a standard 400-volt architecture.

The BYD Dolphin Boost (2024-…) offers faster charging speeds at DC stations, reaching up to 65 kW, while the Seat Mii Electric (2019-2021) maxes out at 40 kW.

The BYD Dolphin Boost (2024-…) features a more powerful on-board charger, supporting a maximum AC charging power of 11 kW, whereas the Seat Mii Electric (2019-2021) is limited to 7.2 kW.

Property Seat Mii Electric BYD Dolphin Boost
Max Charging Power (AC) 7.2 kW 11 kW
Max Charging Power (DC) 40 kW 65 kW
Architecture 400 V 400 V
Charge Port CCS Type 2 CCS Type 2
Charging Score 3.9 5.3

Performance

Both vehicles are front-wheel drive.

The BYD Dolphin Boost (2024-…) boasts greater motor power and accelerates faster from 0 to 100 km/h.

Property Seat Mii Electric BYD Dolphin Boost
Drive Type FWD FWD
Motor Type 1 motor: PMSM 1 motor: PMSM
Motor Power (kW) 61 kW 130 kW
Motor Power (hp) 82 hp 174 hp
Motor Torque 212 Nm 260 Nm
0-100 km/h 12.3 s 7.5 s
Top Speed 130 km/h 160 km/h
Performance Score 1.7 3.3

Dimensions

The BYD Dolphin Boost (2024-…) is longer, wider, and taller.

The BYD Dolphin Boost (2024-…) boasts a more extended wheelbase.

Property Seat Mii Electric BYD Dolphin Boost
Length 3556 mm 4290 mm
Width (with Mirrors) - Width (with Mirrors) 2012 mm
Width (w/o Mirrors) 1645 mm 1770 mm
Height 1481 mm 1570 mm
Wheelbase 2421 mm 2700 mm

Cargo and Towing

The BYD Dolphin Boost (2024-…) provides more cargo capacity, featuring both a larger trunk and more space with the rear seats folded.

Neither car is equipped with a frunk (front trunk).

Neither vehicle is officially rated for towing in in the EU.

Property Seat Mii Electric BYD Dolphin Boost
Number of Seats 4 5
Curb Weight 1235 kg 1568 kg
Cargo Volume (Trunk) 251 l 345 l
Cargo Volume (Max) 923 l 1310 l
Cargo Volume (Frunk) - Cargo Volume (Frunk) - Cargo Volume (Frunk)
Towing Capacity - Towing Capacity - Towing Capacity
Cargo and Towing Score 3.6 4.5
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