BMW 6 Series Gran Coupe (2016) is 96 mm (3.78 inch) longer and 39 mm (1.54 inch) wider than Opel Insignia Sports Tourer (2014).
Opel Insignia Sports Tourer (2014) is 121 mm (4.76 inch) higher, 380 kg (838 lbs) lighter and has 101 liters (3.57 ft3) bigger cargo space than BMW 6 Series Gran Coupe (2016).
