Mazda 3 (Sedan) (2014) is 1280 kg (2,822 lbs) lighter than Mercedes GL-Class (2017).
Mercedes GL-Class (2017) is 567 mm (22.32 inch) longer, 202 mm (7.95 inch) wider, 395 mm (15.55 inch) higher and has 261 liters (9.22 ft3) bigger cargo space than Mazda 3 (Sedan) (2014).