Mazda 6 Atenza (2014) is 1306 kg (2,879 lbs) lighter than Mercedes GL-Class (2020).
Mercedes GL-Class (2020) is 871 mm (34.29 inch) longer, 230 mm (9.06 inch) wider, 308 mm (12.13 inch) higher and has 173 liters (6.11 ft3) bigger cargo space than Mazda 6 Atenza (2014).