Audi A5 (2017) is 277 kg (611 lbs) lighter than Buick Regal Sportback (2018).
Buick Regal Sportback (2018) is 227 mm (8.94 inch) longer, 16 mm (0.63 inch) wider, 84 mm (3.31 inch) higher and has 5 liters (0.18 ft3) bigger cargo space than Audi A5 (2017).
