BMW 5 Series Gran Turismo (2018) is 33 mm (1.30 inch) wider, 15 mm (0.59 inch) higher, 12 kg (26 lbs) lighter and has 83 liters (2.93 ft3) bigger cargo space than Cadillac CTS (2015).
Cadillac CTS (2015) is 23 mm (0.91 inch) longer than BMW 5 Series Gran Turismo (2018).