BYD Dolphin Boost vs Seat Mii Electric
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General Info
Although the BYD Dolphin Boost (2024-…) has been announced, it is not yet in production and will not be available for sale in the United States. The Seat Mii Electric (2019-2021) has been discontinued, it was never offered for sale in the United States.
The two vehicles share the same body style: Hatchback.
| Property | BYD Dolphin Boost | Seat Mii Electric |
|---|---|---|
| Years of Production | 2024-… | 2019-2021 |
| Current Status | Announced | Discontinued |
| Country of Manufacture | China | Slovakia |
| Body Style | Hatchback | Hatchback |
| Market Availability | EU | EU |
| GCC Score | 5.3 | 4.5 |
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 | BYD Dolphin Boost | Seat Mii Electric |
|---|---|---|
| Range (WLTP) | 193 mi | 161 mi |
| Range (GCC) | 164 mi | 139 mi |
| Battery Capacity (Nominal) | 46 kWh | 36.8 kWh |
| Battery Capacity (Usable) | 44.9 kWh | 32.3 kWh |
| Efficiency per 100 mi | 27.4 kWh/100 mi | 23.2 kWh/100 mi |
| Efficiency per kWh | 3.65 mi/kWh | 4.3 mi/kWh |
| Range and Efficiency Score | 5.6 | 6.1 |
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 | BYD Dolphin Boost | Seat Mii Electric |
|---|---|---|
| Max Charging Power (AC) | 11 kW | 7.2 kW |
| Max Charging Power (DC) | 65 kW | 40 kW |
| Architecture | 400 V | 400 V |
| Charge Port | CCS Type 2 | CCS Type 2 |
| Charging Score | 5.3 | 3.9 |
Performance
Both vehicles are front-wheel drive.
The BYD Dolphin Boost (2024-…) boasts greater motor power and accelerates faster from 0 to 60 mph.
| Property | BYD Dolphin Boost | Seat Mii Electric |
|---|---|---|
| Drive Type | FWD | FWD |
| Motor Type | 1 motor: PMSM | 1 motor: PMSM |
| Motor Power (kW) | 130 kW | 61 kW |
| Motor Power (hp) | 174 hp | 82 hp |
| Motor Torque | 192 lb-ft | 156 lb-ft |
| 0-60 mph | 7.2 s | 11.8 s |
| Top Speed | 99 mph | 81 mph |
| Performance Score | 3.3 | 1.7 |
Dimensions
The BYD Dolphin Boost (2024-…) is longer, wider, and taller.
The BYD Dolphin Boost (2024-…) boasts a more extended wheelbase.
| Property | BYD Dolphin Boost | Seat Mii Electric |
|---|---|---|
| Length | 168.9 in | 140 in |
| Width (with Mirrors) | 79.2 in | - Width (with Mirrors) |
| Width (w/o Mirrors) | 69.7 in | 64.8 in |
| Height | 61.8 in | 58.3 in |
| Wheelbase | 106.3 in | 95.3 in |
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 the US.
| Property | BYD Dolphin Boost | Seat Mii Electric |
|---|---|---|
| Number of Seats | 5 | 4 |
| Curb Weight | 3457 lb | 2723 lb |
| Cargo Volume (Trunk) | 12.2 ft3 | 8.9 ft3 |
| Cargo Volume (Max) | 46.3 ft3 | 32.6 ft3 |
| Cargo Volume (Frunk) | - Cargo Volume (Frunk) | - Cargo Volume (Frunk) |
| Towing Capacity | - Towing Capacity | - Towing Capacity |
| Cargo and Towing Score | 4.5 | 3.6 |
