Audi R8 Spyder (2020) is 147 mm (5.79 inch) wider than Mazda 3 (Hatchback) (2014).
Mazda 3 (Hatchback) (2014) is 34 mm (1.34 inch) longer, 215 mm (8.46 inch) higher, 355 kg (783 lbs) lighter and has 138 liters (4.87 ft3) bigger cargo space than Audi R8 Spyder (2020).