Audi RS 7 (2019) is 631 mm (24.84 inch) longer, 151 mm (5.94 inch) wider, 132 mm (5.20 inch) higher and has 376 liters (13.28 ft3) bigger cargo space than Porsche Cayman (2017).
Porsche Cayman (2017) is 735 kg (1,620 lbs) lighter than Audi RS 7 (2019).
