BMW 3 Series Gran Turismo (2019) is 36 mm (1.42 inch) longer, 55 mm (2.17 inch) higher and has 73 liters (2.58 ft3) bigger cargo space than Cadillac CTS (2019).
Cadillac CTS (2019) is 54 mm (2.13 inch) wider and 24 kg (53 lbs) lighter than BMW 3 Series Gran Turismo (2019).