BMW X7 (2020) is 238 mm (9.37 inch) longer, 144 mm (5.67 inch) wider, 292 mm (11.50 inch) higher and has 190 liters (6.71 ft3) bigger cargo space than Opel Insignia Sports Tourer (2014).
Opel Insignia Sports Tourer (2014) is 855 kg (1,885 lbs) lighter than BMW X7 (2020).