BMW 5 Series Touring (2018) is 714 mm (28.11 inch) longer, 115 mm (4.53 inch) wider, 132 mm (5.20 inch) higher and has 229 liters (8.09 ft3) bigger cargo space than Mercedes A-Class (2015).
Mercedes A-Class (2015) is 506 kg (1,116 lbs) lighter than BMW 5 Series Touring (2018).