Audi A8 (2021) is 592 mm (23.31 inch) longer, 147 mm (5.79 inch) wider, 11 mm (0.43 inch) higher and has 100 liters (3.53 ft3) bigger cargo space than Buick Excelle GT (2015).
Buick Excelle GT (2015) is 1108 kg (2,443 lbs) lighter than Audi A8 (2021).
