BYD Sealion 7 vs XPeng G9
How the BYD Sealion 7 and the XPeng G9 compare on real-world range, battery size and efficiency. WLTP is a lab figure — the winter, highway and city estimates below show what each car really does on the road.
Specifications side by side
| BYD Sealion 7 | XPeng G9 | |
|---|---|---|
| WLTP range | 312 mi | 323 mi |
| Usable battery | 91.3 kWh | 98 kWh |
| WLTP consumption | 17.8 kWh/100 km | 21.3 kWh/100 km |
| Model year | 2025 | 2023 |
Real-world range, side by side
| BYD Sealion 7 | XPeng G9 | |
|---|---|---|
| Winter (−10 °C) | 207 mi | 214 mi |
| Warm weather (30 °C) | 296 mi | 307 mi |
| Motorway | 244 mi | 252 mi |
| City | 337 mi | 349 mi |
The verdict
- Longer range (WLTP)
- XPeng G9
- Further in winter
- XPeng G9
- More efficient
- BYD Sealion 7
Frequently asked questions
- Which has more range, the BYD Sealion 7 or the XPeng G9?
- On the official WLTP cycle the BYD Sealion 7 is rated 312 mi and the XPeng G9 323 mi. In cold winter driving (around −10 °C) expect roughly 207 mi from the BYD Sealion 7 and 214 mi from the XPeng G9.
- Which electric car is more efficient?
- Efficiency is the WLTP energy use per 100 km, where lower is better — compare the consumption figures in the table above. The more efficient car uses less electricity for the same distance, so it costs less to charge.