Bentley Flying Spur (2017) is 633 mm (24.92 inch) longer and 137 mm (5.39 inch) wider than Buick Envision (2019).
Buick Envision (2019) is 209 mm (8.23 inch) higher, 565 kg (1,246 lbs) lighter and has 287 liters (10.14 ft3) bigger cargo space than Bentley Flying Spur (2017).