BMW 4 Series Gran Coupe (2019) is 366 mm (14.41 inch) longer and 61 mm (2.40 inch) wider than Mazda CX-3 (2014).
Mazda CX-3 (2014) is 146 mm (5.75 inch) higher, 240 kg (529 lbs) lighter and has 23 liters (0.81 ft3) bigger cargo space than BMW 4 Series Gran Coupe (2019).