Audi R8 Spyder (2020) is 40 mm (1.57 inch) wider and 121 kg (267 lbs) lighter than Cadillac XT5 (2021).
Cadillac XT5 (2021) is 389 mm (15.31 inch) longer, 440 mm (17.32 inch) higher and has 626 liters (22.11 ft3) bigger cargo space than Audi R8 Spyder (2020).