Kia Optima Sportswagon (2015) is 1030 kg (2,271 lbs) lighter than Mercedes GL-Class (2020).
Mercedes GL-Class (2020) is 291 mm (11.46 inch) longer, 138 mm (5.43 inch) wider, 380 mm (14.96 inch) higher and has 127 liters (4.48 ft3) bigger cargo space than Kia Optima Sportswagon (2015).