BMW 5 Series Gran Turismo (2020) is 155 mm (6.10 inch) longer, 25 mm (0.98 inch) higher and has 83 liters (2.93 ft3) bigger cargo space than Cadillac CTS (2018).
Cadillac CTS (2018) is 15 mm (0.59 inch) wider and 34 kg (75 lbs) lighter than BMW 5 Series Gran Turismo (2020).