Aston Martin Vantage (2016) is 53 mm (2.09 inch) wider, 23 kg (51 lbs) lighter and has 6 liters (0.21 ft3) bigger cargo space than Cadillac ATS-V (2019).
Cadillac ATS-V (2019) is 292 mm (11.50 inch) longer and 155 mm (6.10 inch) higher than Aston Martin Vantage (2016).