Audi R8 Spyder (2020) is 109 mm (4.29 inch) wider and 56 kg (123 lbs) lighter than Cadillac CTS (2014).
Cadillac CTS (2014) is 540 mm (21.26 inch) longer, 213 mm (8.39 inch) higher and has 221 liters (7.80 ft3) bigger cargo space than Audi R8 Spyder (2020).