Buick Enclave (2017) is 286 mm (11.26 inch) longer, 287 mm (11.30 inch) higher and has 120 liters (4.24 ft3) bigger cargo space than Opel Insignia (2020).
Opel Insignia (2020) is 77 mm (3.03 inch) wider and 575 kg (1,268 lbs) lighter than Buick Enclave (2017).