BMW 3 Series Gran Turismo (2021) is 56 mm (2.20 inch) higher, 300 kg (661 lbs) lighter and has 133 liters (4.70 ft3) bigger cargo space than Cadillac CTS-V (2017).
Cadillac CTS-V (2017) is 193 mm (7.60 inch) longer and 5 mm (0.20 inch) wider than BMW 3 Series Gran Turismo (2021).