BMW 7 Series (2020) is 660 mm (25.98 inch) longer, 106 mm (4.17 inch) wider, 27 mm (1.06 inch) higher and has 151 liters (5.33 ft3) bigger cargo space than Mazda 3 (Hatchback) (2018).
Mazda 3 (Hatchback) (2018) is 755 kg (1,664 lbs) lighter than BMW 7 Series (2020).