Mazda CX-9 (2017) is 264 mm (10.39 inch) longer, 230 mm (9.06 inch) higher and has 541 liters (19.11 ft3) bigger cargo space than Opel Insignia (2017).
Opel Insignia (2017) is 148 mm (5.83 inch) wider and 303 kg (668 lbs) lighter than Mazda CX-9 (2017).