BMW 8 Series (G15) (2018) is 145 mm (5.71 inch) longer and 88 mm (3.46 inch) wider than Opel Astra Sports Tourer (2017).
Opel Astra Sports Tourer (2017) is 194 mm (7.64 inch) higher, 449 kg (990 lbs) lighter and has 120 liters (4.24 ft3) bigger cargo space than BMW 8 Series (G15) (2018).
