Global EV Comparison: Dongfeng Box 31.4 kWh vs BYD Dolphin Surf Boost
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General Info
The BYD Dolphin Surf Boost (2025-…) is currently produced, it has a starting price of €24990. The Dongfeng Box 31.4 kWh (2025-...) is announced, but not yet in production.
The two vehicles share the same body style: Hatchback.
| Property | Dongfeng Box 31.4 kWh | BYD Dolphin Surf Boost |
|---|---|---|
| Years of Production | 2025-… | 2025-… |
| Current Status | Announced | Produced |
| Country of Manufacture | China | China |
| Body Style | Hatchback | Hatchback |
| Market Availability | EU | EU |
| Price Europe (New) | €22400 | €24990 |
| GCC Score | 4.3 | 5 |
Range and Efficiency
While the BYD Dolphin Surf Boost (2025-…) offers a longer real-world range and a bigger battery, it is less energy-efficient than the Dongfeng Box 31.4 kWh (2025-...).
| Property | Dongfeng Box 31.4 kWh | BYD Dolphin Surf Boost |
|---|---|---|
| Range (WLTP) | 230 km | 322 km |
| Range (GCC) | 196 km | 274 km |
| Battery Capacity (Nominal) | 31.4 kWh | 46 kWh |
| Battery Capacity (Usable) | 29 kWh | 43.2 kWh |
| Efficiency per 100 km | 14.8 kWh/100 km | 15.8 kWh/100 km |
| Efficiency per kWh | 6.76 km/kWh | 6.34 km/kWh |
| Range and Efficiency Score | 5.8 | 6 |
Charging
Both vehicles utilize a standard 400-volt architecture.
The BYD Dolphin Surf Boost (2025-…) offers faster charging speeds at DC stations, reaching up to 85 kW, while the Dongfeng Box 31.4 kWh (2025-...) maxes out at 77 kW.
The BYD Dolphin Surf Boost (2025-…) features a more powerful on-board charger, supporting a maximum AC charging power of 11 kW, whereas the Dongfeng Box 31.4 kWh (2025-...) is limited to 3.3 kW.
| Property | Dongfeng Box 31.4 kWh | BYD Dolphin Surf Boost |
|---|---|---|
| Max Charging Power (AC) | 3.3 kW | 11 kW |
| Max Charging Power (DC) | 77 kW | 85 kW |
| Architecture | 400 V | 400 V |
| Charge Port | CCS Type 2 | CCS Type 2 |
| Charging Score | 2.7 | 5.3 |
Performance
Both vehicles are front-wheel drive.
Although the Dongfeng Box 31.4 kWh (2025-...) has more power, the BYD Dolphin Surf Boost (2025-…) achieves a faster 0-100 km/h time.
| Property | Dongfeng Box 31.4 kWh | BYD Dolphin Surf Boost |
|---|---|---|
| Drive Type | FWD | FWD |
| Motor Type | PMSM | PMSM |
| Motor Power (kW) | 70 kW | 65 kW |
| Motor Power (hp) | 94 hp | 87 hp |
| Motor Torque | 160 Nm | 175 Nm |
| 0-100 km/h | 12.5 s | 12.1 s |
| Top Speed | 140 km/h | 150 km/h |
| Performance Score | 1.8 | 2 |
Dimensions
The Dongfeng Box 31.4 kWh (2025-...) boasts a more extended wheelbase.
| Property | Dongfeng Box 31.4 kWh | BYD Dolphin Surf Boost |
|---|---|---|
| Length | 4020 mm | 3990 mm |
| Width (with Mirrors) | 1810 mm | 1970 mm |
| Width (w/o Mirrors) | - Width (w/o Mirrors) | 1720 mm |
| Height | 1570 mm | 1590 mm |
| Wheelbase | 2663 mm | 2500 mm |
Cargo and Towing
The Dongfeng Box 31.4 kWh (2025-...) features a larger trunk, but the BYD Dolphin Surf Boost (2025-…) offers greater maximum cargo capacity when the rear seats are folded.
Neither car is equipped with a frunk (front trunk).
Neither vehicle is officially rated for towing in in the EU.
| Property | Dongfeng Box 31.4 kWh | BYD Dolphin Surf Boost |
|---|---|---|
| Number of Seats | 5 | 4 |
| Curb Weight | 1251 kg | 1370 kg |
| Cargo Volume (Trunk) | 326 l | 308 l |
| Cargo Volume (Max) | 945 l | 1037 l |
| Cargo Volume (Frunk) | - Cargo Volume (Frunk) | - Cargo Volume (Frunk) |
| Towing Capacity | - Towing Capacity | - Towing Capacity |
| Cargo and Towing Score | 4.2 | 4.2 |
