Buick Envision (2021) is 26 mm (1.02 inch) wider, 128 mm (5.04 inch) higher and has 154 liters (5.44 ft3) bigger cargo space than Opel Insignia Sports Tourer (2014).
Opel Insignia Sports Tourer (2014) is 277 mm (10.91 inch) longer and 184 kg (406 lbs) lighter than Buick Envision (2021).