BYD Seal U DM-i and BYD Dolphin Surf

An electric car and a hybrid side by side, with every figure kept on its own test cycle.

QuestionBYD Seal U DM-iBYD Dolphin Surf
Powertrain Hybrid / PHEV Electric
Body SUV Hatchback
Official range 70–125 km electric WLTP
Market or version specific
220–322 km WLTP
Market or version specific
Battery 18.3 or 26.6 kWh
Market or version specific
30 or 43.2 kWh
Market or version specific
Peak DC charging up to18 kW
Published reference
up to85 kW
Published reference
Published fast charge 30–80% in about 35 minutes claimed 10–80% in about 30 minutes claimed
Efficiency reference 6.4 L/100 km
Market or version specific
from15.5 kWh/100 km
Market or version specific
Seats Not published 4

A copper figure leads only where both cars publish the same measure on the same test cycle. Hover a mark to see how far the figure can be trusted.

Our view. Choose by the charging you can rely on, the version sold in your market and the journeys you repeat. A larger maximum number is not automatically the better ownership experience.

BYD Seal U DM-i rapid charging

35 min30%80%
Manufacturer claim, peak 18 kW. Real sessions slow as the battery fills and vary with temperature and charger.

BYD Dolphin Surf rapid charging

30 min10%80%
Manufacturer claim, peak 85 kW. Real sessions slow as the battery fills and vary with temperature and charger.

Verify the local version

Batteries, motor outputs, standard equipment, warranties, connectors and even model names change by market. Check the exact local specification before buying.

Swap one of these cars

Try “Ioniq 5 charging”, “battery warranty” or “plug-in hybrid”.