Cadillac CTS-V Coupe (2014) is 22 mm (0.87 inch) longer and 22 mm (0.87 inch) wider than Kia Optima (2015).
Kia Optima (2015) is 43 mm (1.69 inch) higher, 385 kg (849 lbs) lighter and has 213 liters (7.52 ft3) bigger cargo space than Cadillac CTS-V Coupe (2014).
