BMW 3 Series Gran Turismo (2021) is 87 mm (3.43 inch) higher, 350 kg (772 lbs) lighter and has 224 liters (7.91 ft3) bigger cargo space than Cadillac CTS-V Coupe (2015).
Cadillac CTS-V Coupe (2015) is 51 mm (2.01 inch) longer and 53 mm (2.09 inch) wider than BMW 3 Series Gran Turismo (2021).