Audi R8 Spyder (2020) is 42 mm (1.65 inch) longer and 218 mm (8.58 inch) wider than Kia Rio (Sedan) (2018).
Kia Rio (Sedan) (2018) is 370 mm (14.57 inch) higher, 424 kg (935 lbs) lighter and has 161 liters (5.69 ft3) bigger cargo space than Audi R8 Spyder (2020).