GMC Acadia (2014) is 187 mm (7.36 inch) longer, 148 mm (5.83 inch) wider, 331 mm (13.03 inch) higher and has 620 liters (21.89 ft3) bigger cargo space than Opel Insignia Sports Tourer (2014).
Opel Insignia Sports Tourer (2014) is 600 kg (1,323 lbs) lighter than GMC Acadia (2014).
