BMW 8 Series (G15) (2020) is 893 mm (35.16 inch) longer, 208 mm (8.19 inch) wider and has 140 liters (4.94 ft3) bigger cargo space than Mazda 2 (2014).
Mazda 2 (2014) is 135 mm (5.31 inch) higher and 779 kg (1,717 lbs) lighter than BMW 8 Series (G15) (2020).