Audi A6 Allroad (2015) is 274 mm (10.79 inch) longer and 59 mm (2.32 inch) wider than Buick Envision (2017).
Buick Envision (2017) is 236 mm (9.29 inch) higher, 93 kg (205 lbs) lighter and has 197 liters (6.96 ft3) bigger cargo space than Audi A6 Allroad (2015).
