BMW 8 Series (G15) (2018) is 741 mm (29.17 inch) longer, 162 mm (6.38 inch) wider and has 195 liters (6.89 ft3) bigger cargo space than Honda CR-Z (2020).
Honda CR-Z (2020) is 43 mm (1.69 inch) higher and 754 kg (1,662 lbs) lighter than BMW 8 Series (G15) (2018).