Audi Q8 (2019) is 415 mm (16.34 inch) longer, 198 mm (7.80 inch) wider, 252 mm (9.92 inch) higher and has 445 liters (15.71 ft3) bigger cargo space than Mazda 3 (Sedan) (2014).
Mazda 3 (Sedan) (2014) is 875 kg (1,929 lbs) lighter than Audi Q8 (2019).