Alfa Romeo Giulia (2018) is 39 mm (1.54 inch) wider, 396 kg (873 lbs) lighter and has 62 liters (2.19 ft3) bigger cargo space than Cadillac CTS-V (2016).
Cadillac CTS-V (2016) is 376 mm (14.80 inch) longer and 17 mm (0.67 inch) higher than Alfa Romeo Giulia (2018).