Audi A7 Sportback (2017) is 143 mm (5.63 inch) longer, 54 mm (2.13 inch) wider and has 133 liters (4.70 ft3) bigger cargo space than Buick Regal (2015).
Buick Regal (2015) is 63 mm (2.48 inch) higher and 155 kg (342 lbs) lighter than Audi A7 Sportback (2017).
