Audi RS 7 (2019) is 23 mm (0.91 inch) longer and 89 mm (3.50 inch) wider than Buick Regal TourX (2020).
Buick Regal TourX (2020) is 58 mm (2.28 inch) higher, 458 kg (1,010 lbs) lighter and has 62 liters (2.19 ft3) bigger cargo space than Audi RS 7 (2019).
