BMW 4 Series (2015) is 108 mm (4.25 inch) longer and 155 mm (6.10 inch) wider than Honda Civic Tourer (2018).
Honda Civic Tourer (2018) is 87 mm (3.43 inch) higher, 168 kg (370 lbs) lighter and has 179 liters (6.32 ft3) bigger cargo space than BMW 4 Series (2015).