Buick Enclave (2014) is 286 mm (11.26 inch) longer, 323 mm (12.72 inch) higher and has 120 liters (4.24 ft3) bigger cargo space than Opel Insignia (2017).
Opel Insignia (2017) is 77 mm (3.03 inch) wider and 583 kg (1,285 lbs) lighter than Buick Enclave (2014).