BMW 5 Series Touring (2017) is 154 mm (6.06 inch) longer, 59 mm (2.32 inch) higher and has 20 liters (0.71 ft3) bigger cargo space than Opel Insignia (2020).
Opel Insignia (2020) is 184 mm (7.24 inch) wider and 357 kg (787 lbs) lighter than BMW 5 Series Touring (2017).