BMW 5 Series Touring (2017) is 298 mm (11.73 inch) longer, 86 mm (3.39 inch) wider, 22 mm (0.87 inch) higher and has 20 liters (0.71 ft3) bigger cargo space than Opel Astra Sports Tourer (2015).
Opel Astra Sports Tourer (2015) is 540 kg (1,190 lbs) lighter than BMW 5 Series Touring (2017).
