BMW 8 Series (G14) (2018) is 741 mm (29.17 inch) longer, 162 mm (6.38 inch) wider and has 125 liters (4.41 ft3) bigger cargo space than Honda CR-Z (2020).
Honda CR-Z (2020) is 45 mm (1.77 inch) higher and 753 kg (1,660 lbs) lighter than BMW 8 Series (G14) (2018).