BYD Sealion 7: real-world range vs WLTP
The BYD Sealion 7 has an official WLTP range of 283 mi–312 mi from a 91.3 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)
207 mi
66% of WLTP
Warm weather (30 °C)
296 mi
95% of WLTP
Motorway
244 mi
78% of WLTP
City
337 mi
108% of WLTP
Estimates for an as-new battery, based on the BYD Sealion 7 (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 |
|---|---|---|---|---|
| Excellence AWD | 2025 | 312 mi | 91.3 kWh | 17.8 kWh/100 km |
| Comfort RWD | 2025 | 300 mi | 82.5 kWh | 15.2 kWh/100 km |
| Design AWD | 2025 | 283 mi | 82.5 kWh | 16.2 kWh/100 km |
Estimate BYD Sealion 7 range for your conditions
Estimated real range
Estimated real range
281 mi
90% of WLTP
WLTP range
312 mi
Real-world use
3.08 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 Sealion 7 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 Sealion 7 in winter?
- In cold weather (around −10 °C) with the heating on, expect roughly 207 mi from the BYD Sealion 7 — well below its WLTP rating, because batteries lose capacity in the cold and cabin heating draws extra power.
- How far does the BYD Sealion 7 go on the motorway?
- At sustained motorway speeds the BYD Sealion 7 manages about 244 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 Sealion 7 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.