BMW 5 Series Gran Turismo (2017) is 368 mm (14.49 inch) longer and 19 mm (0.75 inch) wider than Buick Envision (2021).
Buick Envision (2021) is 82 mm (3.23 inch) higher, 131 kg (289 lbs) lighter and has 214 liters (7.56 ft3) bigger cargo space than BMW 5 Series Gran Turismo (2017).