Cadillac CTS (2015) is 111 mm (4.37 inch) longer, 4 kg (9 lbs) lighter and has 7 liters (0.25 ft3) bigger cargo space than Kia Optima Sportswagon (2017).
Kia Optima Sportswagon (2017) is 26 mm (1.02 inch) wider and 17 mm (0.67 inch) higher than Cadillac CTS (2015).
