Cadillac CTS Wagon (2014) is 22 mm (0.87 inch) longer and 3 mm (0.12 inch) higher than Kia Optima (2019).
Kia Optima (2019) is 18 mm (0.71 inch) wider, 447 kg (985 lbs) lighter and has 120 liters (4.24 ft3) bigger cargo space than Cadillac CTS Wagon (2014).