BMW 5 Series Gran Turismo (2020) is 245 mm (9.65 inch) longer and 53 mm (2.09 inch) wider than Opel Astra Sports Tourer (2015).
Opel Astra Sports Tourer (2015) is 57 mm (2.24 inch) higher, 270 kg (595 lbs) lighter and has 10 liters (0.35 ft3) bigger cargo space than BMW 5 Series Gran Turismo (2020).