Cadillac SRX (2014) is 50 mm (1.97 inch) wider, 197 mm (7.76 inch) higher and has 97 liters (3.43 ft3) bigger cargo space than Kia Optima Sportswagon (2017).
Kia Optima Sportswagon (2017) is 4 mm (0.16 inch) longer and 214 kg (472 lbs) lighter than Cadillac SRX (2014).