Mazda 6 Atenza (2018) is 1287 kg (2,837 lbs) lighter than Mercedes GL-Class (2014).
Mercedes GL-Class (2014) is 871 mm (34.29 inch) longer, 230 mm (9.06 inch) wider, 308 mm (12.13 inch) higher and has 159 liters (5.62 ft3) bigger cargo space than Mazda 6 Atenza (2018).