Audi A4 (2014) is 540 kg (1,190 lbs) lighter than Mercedes M-Class (2015).
Mercedes M-Class (2015) is 103 mm (4.06 inch) longer, 100 mm (3.94 inch) wider, 381 mm (15.00 inch) higher and has 210 liters (7.42 ft3) bigger cargo space than Audi A4 (2014).