BYD Dolphin Surf: real-world range vs WLTP
The BYD Dolphin Surf has an official WLTP range of 137 mi–200 mi from a 43.2 kWh usable battery. Lab figures rarely match the road, so here is what to really expect — and a calculator to tune it to your weather, route and battery health.
What range to really expect
Winter (−10 °C)
132 mi
66% of WLTP
Warm weather (30 °C)
190 mi
95% of WLTP
Motorway
156 mi
78% of WLTP
City
216 mi
108% of WLTP
Estimates for an as-new battery, based on the BYD Dolphin Surf (2025). Cold weather and motorway speeds cut range the most; town driving recovers some through regenerative braking.
Trims & specifications
| Trim | Year | WLTP range | Usable battery | WLTP consumption |
|---|---|---|---|---|
| Boost | 2025 | 200 mi | 43.2 kWh | 9.8 kWh/100 km |
| Comfort | 2025 | 193 mi | 43.2 kWh | 10.8 kWh/100 km |
| Active | 2025 | 137 mi | 30 kWh | 9.9 kWh/100 km |
Estimate BYD Dolphin Surf range for your conditions
Estimated real range
Estimated real range
180 mi
90% of WLTP
WLTP range
200 mi
Real-world use
4.18 mi/kWh
Where the range goes
Your car & conditions
Optional — pick make, model and spec to fill the values below, or edit any field for a custom one.
How to read these numbers
Each estimate takes the BYD Dolphin Surf WLTP range and applies a transparent derate for temperature, driving profile, climate use and battery health. They are guides, not guarantees — your own efficiency, tyres, load and route all matter, so use the calculator above to match your situation.
Frequently asked questions
- What is the real range of the BYD Dolphin Surf in winter?
- In cold weather (around −10 °C) with the heating on, expect roughly 132 mi from the BYD Dolphin Surf — well below its WLTP rating, because batteries lose capacity in the cold and cabin heating draws extra power.
- How far does the BYD Dolphin Surf go on the motorway?
- At sustained motorway speeds the BYD Dolphin Surf manages about 156 mi. High speed is the single biggest drain on an EV, so motorway range is noticeably shorter than the WLTP figure.
- Why is the BYD Dolphin Surf real range lower than WLTP?
- WLTP is measured in a controlled lab cycle. Real driving adds cold or hot weather, higher speeds, climate control and an ageing battery — together they typically cut range by 20–40%, which is what these estimates reflect.