Audi Q8 (2019) is 333 mm (13.11 inch) longer, 198 mm (7.80 inch) wider, 262 mm (10.31 inch) higher and has 445 liters (15.71 ft3) bigger cargo space than Mazda 3 (Sedan) (2019).
Mazda 3 (Sedan) (2019) is 769 kg (1,695 lbs) lighter than Audi Q8 (2019).