Acura RLX (2016) is 127 mm (5.00 inch) longer and 30 mm (1.18 inch) wider than Kia Optima Sportswagon (2017).
Kia Optima Sportswagon (2017) is 5 mm (0.20 inch) higher, 69 kg (152 lbs) lighter and has 18 liters (0.64 ft3) bigger cargo space than Acura RLX (2016).
