Cadillac XTS (2017) is 276 mm (10.87 inch) longer, 31 mm (1.22 inch) higher and has 70 liters (2.47 ft3) bigger cargo space than Kia Optima Sportswagon (2017).
Kia Optima Sportswagon (2017) is 7 mm (0.28 inch) wider and 102 kg (225 lbs) lighter than Cadillac XTS (2017).
