Hyundai IONIQ 9 vs Mercedes-Benz EQS SUV
How the Hyundai IONIQ 9 and the Mercedes-Benz EQS SUV 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
| Hyundai IONIQ 9 | Mercedes-Benz EQS SUV | |
|---|---|---|
| WLTP range | 385 mi | 380 mi |
| Usable battery | 110.3 kWh | 108.4 kWh |
| WLTP consumption | 19.9 kWh/100 km | 19 kWh/100 km |
| Model year | 2026 | 2024 |
Real-world range, side by side
| Hyundai IONIQ 9 | Mercedes-Benz EQS SUV | |
|---|---|---|
| Winter (−10 °C) | 255 mi | 252 mi |
| Warm weather (30 °C) | 366 mi | 360 mi |
| Motorway | 301 mi | 296 mi |
| City | 416 mi | 410 mi |
The verdict
- Longer range (WLTP)
- Hyundai IONIQ 9
- Further in winter
- Hyundai IONIQ 9
- More efficient
- Mercedes-Benz EQS SUV
Frequently asked questions
- Which has more range, the Hyundai IONIQ 9 or the Mercedes-Benz EQS SUV?
- On the official WLTP cycle the Hyundai IONIQ 9 is rated 385 mi and the Mercedes-Benz EQS SUV 380 mi. In cold winter driving (around −10 °C) expect roughly 255 mi from the Hyundai IONIQ 9 and 252 mi from the Mercedes-Benz EQS SUV.
- 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.