BMW 3 Series Gran Turismo (2021) is 551 mm (21.69 inch) longer, 64 mm (2.52 inch) wider and has 17 liters (0.60 ft3) bigger cargo space than Mazda CX-3 (2014).
Mazda CX-3 (2014) is 26 mm (1.02 inch) higher and 280 kg (617 lbs) lighter than BMW 3 Series Gran Turismo (2021).