BMW 6 Series Gran Turismo (2018) is 815 mm (32.09 inch) longer, 137 mm (5.39 inch) wider, 4 mm (0.16 inch) higher and has 105 liters (3.71 ft3) bigger cargo space than Mazda CX-3 (2014).
Mazda CX-3 (2014) is 495 kg (1,091 lbs) lighter than BMW 6 Series Gran Turismo (2018).