Buick Enclave (2015) is 273 mm (10.75 inch) longer, 147 mm (5.79 inch) wider, 315 mm (12.40 inch) higher and has 220 liters (7.77 ft3) bigger cargo space than Kia Optima Sportswagon (2018).
Kia Optima Sportswagon (2018) is 326 kg (719 lbs) lighter than Buick Enclave (2015).