Buick Encore GX (2021) is 158 mm (6.22 inch) higher, 454 kg (1,001 lbs) lighter and has 225 liters (7.95 ft3) bigger cargo space than Kia Optima Sportswagon (2018).
Kia Optima Sportswagon (2018) is 501 mm (19.72 inch) longer and 46 mm (1.81 inch) wider than Buick Encore GX (2021).