BMW 3 Series Touring (2015) is 3 mm (0.12 inch) longer, 33 mm (1.30 inch) wider and has 25 liters (0.88 ft3) bigger cargo space than Mercedes CLA-Class (2014).
Mercedes CLA-Class (2014) is 9 mm (0.35 inch) higher and 60 kg (132 lbs) lighter than BMW 3 Series Touring (2015).