Kia Optima Sportswagon (2020) is 91 mm (3.58 inch) longer and 769 kg (1,695 lbs) lighter than Mercedes G-Class (2014).
Mercedes G-Class (2014) is 7 mm (0.28 inch) wider, 484 mm (19.06 inch) higher and has 47 liters (1.66 ft3) bigger cargo space than Kia Optima Sportswagon (2020).