Acura RLX (2017) is 127 mm (5.00 inch) longer and 30 mm (1.18 inch) wider than Kia Optima Sportswagon (2015).
Kia Optima Sportswagon (2015) is 5 mm (0.20 inch) higher, 234 kg (516 lbs) lighter and has 131 liters (4.63 ft3) bigger cargo space than Acura RLX (2017).
