Acura RLX (2017 – 2020) vs Kia K9 (2018 – 2021): specs compared
The Acura RLX is the more powerful of the two, with up to 377 hp against 370 hp. It uses less fuel, from 8.1 L/100 km against 11.2 L/100 km. At 5,121 mm, the Kia K9 is 89 mm longer than the Acura RLX.
| Specification |
Acura
RLX
2017 – 2020
|
Kia
K9
2018 – 2021
|
|---|---|---|
| Overview | ||
| Origin | Japan | South Korea |
| Documented years | 2017 – 2020 | 2018 – 2021 |
| Body style | — | — |
| Variants | 2 | 1 |
| Fuel | Hybrid, Petrol | Petrol |
| Drive | AWD · FWD | AWD |
| Gearbox | Automatic | Automatic |
| Performance | ||
| Power | 310 – 314 hp | 370 hp |
| Torque | 369 Nm | 510 Nm |
| 0–100 km/h | — | — |
| Top speed | — | — |
| Economy | ||
| Fuel economy | 8.1 – 10.2 L/100 km | 11.2 L/100 km |
| Dimensions | ||
| Length | 5,032 mm | 5,121 mm |
| Width | 1,890 mm | 1,915 mm |
| Height | 1,466 mm | 1,491 mm |
| Wheelbase | 2,850 mm | 3,104 mm |
| Curb weight | 1,804 – 1,987 kg | — |
Ranges cover all variants of each car. The highlight marks the best version per row.

