Acura RLX 2014–2017 vs KIA K4 2025– size comparison
KIA K4 2025– is 272 mm (5.5%) shorter than Acura RLX 2014–2017. It is 40 mm (2.1%) narrower, 30 mm (2.0%) lower and 130 mm (4.6%) shorter in wheelbase. Boot space with the seats up is 423 L and 508 L (+85 L).
| Dimension | Acura RLX 2014–2017 | KIA K4 2025– | Difference |
|---|---|---|---|
| Length | 4982 mm | 4710 mm | -272 mm (-5.5%) |
| Width | 1890 mm | 1850 mm | -40 mm (-2.1%) |
| Height | 1465 mm | 1435 mm | -30 mm (-2.0%) |
| Wheelbase | 2850 mm | 2720 mm | -130 mm (-4.6%) |
| Boot | 423 L | 508 L | +85 L |