Buick Encore GX (2020) is 158 mm (6.22 inch) higher, 178 kg (392 lbs) lighter and has 112 liters (3.96 ft3) bigger cargo space than Kia Optima Sportswagon (2015).
Kia Optima Sportswagon (2015) is 501 mm (19.72 inch) longer and 46 mm (1.81 inch) wider than Buick Encore GX (2020).