Audi R8 Spyder (2020) is 162 mm (6.38 inch) wider than Subaru Crosstrek (2021).
Subaru Crosstrek (2021) is 24 mm (0.94 inch) longer, 375 mm (14.76 inch) higher, 215 kg (474 lbs) lighter and has 405 liters (14.30 ft3) bigger cargo space than Audi R8 Spyder (2020).