BMW 3 Series Touring (2018) is 5 mm (0.20 inch) longer, 67 mm (2.64 inch) higher and has 50 liters (1.77 ft3) bigger cargo space than BMW 4 Series (2014).
BMW 4 Series (2014) is 14 mm (0.55 inch) wider and 169 kg (373 lbs) lighter than BMW 3 Series Touring (2018).
