BMW 3 Series Touring (2015) is 40 mm (1.57 inch) higher, 267 kg (589 lbs) lighter and has 14 liters (0.49 ft3) bigger cargo space than BMW 4 Series Gran Coupe (2018).
BMW 4 Series Gran Coupe (2018) is 5 mm (0.20 inch) longer and 15 mm (0.59 inch) wider than BMW 3 Series Touring (2015).
