BMW X6 (2016) is 133 mm (5.24 inch) wider, 189 mm (7.44 inch) higher and has 20 liters (0.71 ft3) bigger cargo space than Opel Insignia Sports Tourer (2020).
Opel Insignia Sports Tourer (2020) is 4 mm (0.16 inch) longer and 500 kg (1,102 lbs) lighter than BMW X6 (2016).