Buick Enclave (2021) is 276 mm (10.87 inch) longer, 146 mm (5.75 inch) wider, 262 mm (10.31 inch) higher and has 108 liters (3.81 ft3) bigger cargo space than Opel Insignia Sports Tourer (2020).
Opel Insignia Sports Tourer (2020) is 472 kg (1,041 lbs) lighter than Buick Enclave (2021).