BMW 3 Series Touring (2015) is 605 kg (1,334 lbs) lighter than Mercedes M-Class (2014).
Mercedes M-Class (2014) is 171 mm (6.73 inch) longer, 115 mm (4.53 inch) wider, 359 mm (14.13 inch) higher and has 195 liters (6.89 ft3) bigger cargo space than BMW 3 Series Touring (2015).