Cadillac CTS-V Coupe (2015) is 417 mm (16.42 inch) longer and 86 mm (3.39 inch) wider than Mazda 3 (Hatchback) (2018).
Mazda 3 (Hatchback) (2018) is 18 mm (0.71 inch) higher, 670 kg (1,477 lbs) lighter and has 67 liters (2.37 ft3) bigger cargo space than Cadillac CTS-V Coupe (2015).