Audi Q8 (2019) is 534 mm (21.02 inch) longer, 198 mm (7.80 inch) wider, 267 mm (10.51 inch) higher and has 500 liters (17.66 ft3) bigger cargo space than Mazda 3 (Hatchback) (2018).
Mazda 3 (Hatchback) (2018) is 915 kg (2,017 lbs) lighter than Audi Q8 (2019).