Mazda 6 (2020) is 1021 kg (2,251 lbs) lighter than Mercedes GL-Class (2015).
Mercedes GL-Class (2015) is 251 mm (9.88 inch) longer, 159 mm (6.26 inch) wider, 400 mm (15.75 inch) higher and has 200 liters (7.06 ft3) bigger cargo space than Mazda 6 (2020).