Acura MDX (2015) is 62 mm (2.44 inch) longer, 102 mm (4.02 inch) wider, 247 mm (9.72 inch) higher and has 7 liters (0.25 ft3) bigger cargo space than Kia Optima Sportswagon (2017).
Kia Optima Sportswagon (2017) is 111 kg (245 lbs) lighter than Acura MDX (2015).
