Audi A7 Sportback (2017) is 74 mm (2.91 inch) longer, 49 mm (1.93 inch) wider and has 65 liters (2.30 ft3) bigger cargo space than Buick Regal Sportback (2019).
Buick Regal Sportback (2019) is 35 mm (1.38 inch) higher and 130 kg (287 lbs) lighter than Audi A7 Sportback (2017).
