BMW 6 Series Gran Coupe (2016) is 167 mm (6.57 inch) longer than Opel Insignia (2020).
Opel Insignia (2020) is 189 mm (7.44 inch) wider, 106 mm (4.17 inch) higher, 322 kg (710 lbs) lighter and has 81 liters (2.86 ft3) bigger cargo space than BMW 6 Series Gran Coupe (2016).
