Cadillac CTS Coupe (2014) is 22 mm (0.87 inch) wider, 115 kg (254 lbs) lighter and has 7 liters (0.25 ft3) bigger cargo space than Kia Optima Sportswagon (2020).
Kia Optima Sportswagon (2020) is 67 mm (2.64 inch) longer and 48 mm (1.89 inch) higher than Cadillac CTS Coupe (2014).