Audi R8 Spyder (2020) is 137 mm (5.39 inch) wider than Cadillac ATS (2014).
Cadillac ATS (2014) is 217 mm (8.54 inch) longer, 180 mm (7.09 inch) higher, 151 kg (333 lbs) lighter and has 155 liters (5.47 ft3) bigger cargo space than Audi R8 Spyder (2020).