Buick Enclave (2015) is 273 mm (10.75 inch) longer, 147 mm (5.79 inch) wider, 315 mm (12.40 inch) higher and has 107 liters (3.78 ft3) bigger cargo space than Kia Optima Sportswagon (2015).
Kia Optima Sportswagon (2015) is 602 kg (1,327 lbs) lighter than Buick Enclave (2015).