Audi Q8 (2018) is 607 mm (23.90 inch) longer, 198 mm (7.80 inch) wider, 414 mm (16.30 inch) higher and has 714 liters (25.21 ft3) bigger cargo space than Porsche 718 Cayman (2017).
Porsche 718 Cayman (2017) is 734 kg (1,618 lbs) lighter than Audi Q8 (2018).
