USA EV Comparison: BYD Dolphin Surf Boost vs Dacia Spring Electric 45 hp vs Seat Mii Electric
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
| Property | BYD Dolphin Surf Boost | Dacia Spring Electric 45 hp | Seat Mii Electric |
|---|---|---|---|
| Years of Production | 2025-… | 2022-2024 | 2019-2021 |
| Current Status | Produced | Discontinued | Discontinued |
| Country of Manufacture | China | China | Slovakia |
| Body Style | Hatchback | Hatchback | Hatchback |
| Market Availability | EU | EU | EU |
| GCC Score | 5 | 4.3 | 4.5 |
Range and Efficiency
| Property | BYD Dolphin Surf Boost | Dacia Spring Electric 45 hp | Seat Mii Electric |
|---|---|---|---|
| Range (WLTP) | 200 mi | 143 mi | 161 mi |
| Range (GCC) | 170 mi | 122 mi | 139 mi |
| Battery Capacity (Nominal) | 46 kWh | 27.4 kWh | 36.8 kWh |
| Battery Capacity (Usable) | 43.2 kWh | 26.8 kWh | 32.3 kWh |
| Efficiency per 100 mi | 25.4 kWh/100 mi | 22 kWh/100 mi | 23.2 kWh/100 mi |
| Efficiency per kWh | 3.94 mi/kWh | 4.55 mi/kWh | 4.3 mi/kWh |
| Range and Efficiency Score | 6 | 6.2 | 6 |
Charging
| Property | BYD Dolphin Surf Boost | Dacia Spring Electric 45 hp | Seat Mii Electric |
|---|---|---|---|
| Max Charging Power (AC) | 11 kW | 6.6 kW | 7.2 kW |
| Max Charging Power (DC) | 85 kW | 30 kW | 40 kW |
| Architecture | 400 V | 400 V | 400 V |
| Charge Port | CCS Type 2 | CCS Type 2 | CCS Type 2 |
| Charging Score | 5.3 | 3.4 | 3.9 |
Performance
| Property | BYD Dolphin Surf Boost | Dacia Spring Electric 45 hp | Seat Mii Electric |
|---|---|---|---|
| Drive Type | FWD | FWD | FWD |
| Motor Type | PMSM | PMSM | PMSM |
| Motor Power (kW) | 65 kW | 33 kW | 61 kW |
| Motor Power (hp) | 87 hp | 44 hp | 82 hp |
| Motor Torque | 129 lb-ft | 92 lb-ft | 156 lb-ft |
| 0-60 mph | 11.6 s | 18.5 s | 11.8 s |
| Top Speed | 93 mph | 78 mph | 81 mph |
| Performance Score | 2 | 1.2 | 1.7 |
Dimensions
| Property | BYD Dolphin Surf Boost | Dacia Spring Electric 45 hp | Seat Mii Electric |
|---|---|---|---|
| Length | 157.1 in | 147 in | 140 in |
| Width (with Mirrors) | 77.6 in | 69.7 in | - Width (with Mirrors) |
| Width (w/o Mirrors) | 67.7 in | 62.2 in | 64.8 in |
| Height | 62.6 in | 59.7 in | 58.3 in |
| Wheelbase | 98.4 in | 95.4 in | 95.3 in |
Cargo and Towing
| Property | BYD Dolphin Surf Boost | Dacia Spring Electric 45 hp | Seat Mii Electric |
|---|---|---|---|
| Number of Seats | 4 | 4 | 4 |
| Curb Weight | 3020 lb | 2139 lb | 2723 lb |
| Cargo Volume (Trunk) | 10.9 ft3 | 10.2 ft3 | 8.9 ft3 |
| Cargo Volume (Max) | 36.6 ft3 | 22.3 ft3 | 32.6 ft3 |
| Cargo Volume (Frunk) | - Cargo Volume (Frunk) | - Cargo Volume (Frunk) | - Cargo Volume (Frunk) |
| Towing Capacity | - Towing Capacity | - Towing Capacity | - Towing Capacity |
| Cargo and Towing Score | 4.2 | 3.8 | 3.6 |
