BMW 3 Series Gran Turismo (2018) is 55 mm (2.17 inch) higher, 145 kg (320 lbs) lighter and has 132 liters (4.66 ft3) bigger cargo space than Cadillac CTS-V (2018).
Cadillac CTS-V (2018) is 195 mm (7.68 inch) longer and 6 mm (0.24 inch) wider than BMW 3 Series Gran Turismo (2018).