BMW 5 Series (2020) is 30 mm (1.18 inch) longer and 11 mm (0.43 inch) wider than Opel Insignia Sports Tourer (2014).
Opel Insignia Sports Tourer (2014) is 35 mm (1.38 inch) higher, 84 kg (185 lbs) lighter and has 30 liters (1.06 ft3) bigger cargo space than BMW 5 Series (2020).
