BMW 8 Series (G14) (2018) is 477 mm (18.78 inch) longer and 137 mm (5.39 inch) wider than Toyota Matrix (2017).
Toyota Matrix (2017) is 210 mm (8.27 inch) higher, 633 kg (1,396 lbs) lighter and has 80 liters (2.83 ft3) bigger cargo space than BMW 8 Series (G14) (2018).
