Audi Q7 (2016) is 139 mm (5.47 inch) longer, 113 mm (4.45 inch) wider, 227 mm (8.94 inch) higher and has 450 liters (15.89 ft3) bigger cargo space than Opel Insignia Sports Tourer (2017).
Opel Insignia Sports Tourer (2017) is 460 kg (1,014 lbs) lighter than Audi Q7 (2016).
