Acura RLX (2016) is 932 mm (36.69 inch) longer, 170 mm (6.69 inch) wider, 10 mm (0.39 inch) higher and has 134 liters (4.73 ft3) bigger cargo space than Kia Rio (Hatchback) (2014).
Kia Rio (Hatchback) (2014) is 671 kg (1,479 lbs) lighter than Acura RLX (2016).