Global EV Comparison: BYD Dolphin Comfort/Design vs Dongfeng Box 31.4 kWh
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General Info
The BYD Dolphin Comfort/Design (2023-…) is currently produced, it has a starting price of €32990. The Dongfeng Box 31.4 kWh (2025-...) is announced, but not yet in production.
The two vehicles share the same body style: Hatchback.
| Property | BYD Dolphin Comfort/Design | Dongfeng Box 31.4 kWh |
|---|---|---|
| Years of Production | 2023-… | 2025-… |
| Current Status | Produced | Announced |
| Country of Manufacture | China | China |
| Body Style | Hatchback | Hatchback |
| Market Availability | EU | EU |
| Price Europe (New) | €32990 | €22400 |
| Price Europe (Used) | €27449 | - Price Europe (Used) |
| GCC Score | 5.7 | 4.3 |
Range and Efficiency
While the BYD Dolphin Comfort/Design (2023-…) offers a longer real-world range and a bigger battery, it is less energy-efficient than the Dongfeng Box 31.4 kWh (2025-...).
| Property | BYD Dolphin Comfort/Design | Dongfeng Box 31.4 kWh |
|---|---|---|
| Range (WLTP) | 427 km | 230 km |
| Range (GCC) | 363 km | 196 km |
| Battery Capacity (Nominal) | 62 kWh | 31.4 kWh |
| Battery Capacity (Usable) | 60.4 kWh | 29 kWh |
| Efficiency per 100 km | 16.6 kWh/100 km | 14.8 kWh/100 km |
| Efficiency per kWh | 6.01 km/kWh | 6.76 km/kWh |
| Range and Efficiency Score | 6.7 | 5.8 |
Charging
Both vehicles utilize a standard 400-volt architecture.
The BYD Dolphin Comfort/Design (2023-…) offers faster charging speeds at DC stations, reaching up to 88 kW, while the Dongfeng Box 31.4 kWh (2025-...) maxes out at 77 kW.
The BYD Dolphin Comfort/Design (2023-…) 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 | BYD Dolphin Comfort/Design | Dongfeng Box 31.4 kWh |
|---|---|---|
| Max Charging Power (AC) | 11 kW | 3.3 kW |
| Max Charging Power (DC) | 88 kW | 77 kW |
| Architecture | 400 V | 400 V |
| Charge Port | CCS Type 2 | CCS Type 2 |
| Charging Score | 5.6 | 2.7 |
Performance
Both vehicles are front-wheel drive.
The BYD Dolphin Comfort/Design (2023-…) boasts greater motor power and accelerates faster from 0 to 100 km/h.
| Property | BYD Dolphin Comfort/Design | Dongfeng Box 31.4 kWh |
|---|---|---|
| Drive Type | FWD | FWD |
| Motor Type | PMSM | PMSM |
| Motor Power (kW) | 150 kW | 70 kW |
| Motor Power (hp) | 201 hp | 94 hp |
| Motor Torque | 310 Nm | 160 Nm |
| 0-100 km/h | 7 s | 12.5 s |
| Top Speed | 160 km/h | 140 km/h |
| Performance Score | 3.5 | 1.8 |
Dimensions
Both models have similar wheelbase lengths.
| Property | BYD Dolphin Comfort/Design | Dongfeng Box 31.4 kWh |
|---|---|---|
| Length | 4290 mm | 4020 mm |
| Width (with Mirrors) | 2012 mm | 1810 mm |
| Width (w/o Mirrors) | 1770 mm | - Width (w/o Mirrors) |
| Height | 1570 mm | 1570 mm |
| Wheelbase | 2700 mm | 2663 mm |
Cargo and Towing
The BYD Dolphin Comfort/Design (2023-…) 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 | BYD Dolphin Comfort/Design | Dongfeng Box 31.4 kWh |
|---|---|---|
| Number of Seats | 5 | 5 |
| Curb Weight | 1658 kg | 1251 kg |
| Cargo Volume (Trunk) | 345 l | 326 l |
| Cargo Volume (Max) | 1310 l | 945 l |
| Cargo Volume (Frunk) | - Cargo Volume (Frunk) | - Cargo Volume (Frunk) |
| Towing Capacity | - Towing Capacity | - Towing Capacity |
| Cargo and Towing Score | 4.4 | 4.2 |
