BMW 3 Series Gran Turismo (2020) is 86 mm (3.39 inch) higher, 195 kg (430 lbs) lighter and has 223 liters (7.88 ft3) bigger cargo space than Cadillac CTS-V Coupe (2015).
Cadillac CTS-V Coupe (2015) is 53 mm (2.09 inch) longer and 54 mm (2.13 inch) wider than BMW 3 Series Gran Turismo (2020).