BMW 3 Series Touring (2015) is 67 mm (2.64 inch) higher, 40 kg (88 lbs) lighter and has 50 liters (1.77 ft3) bigger cargo space than BMW 4 Series (2014).
BMW 4 Series (2014) is 5 mm (0.20 inch) longer and 14 mm (0.55 inch) wider than BMW 3 Series Touring (2015).
