Jeep Grand Cherokee (2018) is 624 mm (24.57 inch) longer, 19 mm (0.75 inch) wider, 344 mm (13.54 inch) higher and has 467 liters (16.49 ft3) bigger cargo space than Opel Insignia Sports Tourer (2015).
Opel Insignia Sports Tourer (2015) is 701 kg (1,545 lbs) lighter than Jeep Grand Cherokee (2018).