BMW 5 Series Gran Turismo (2018) is 15 mm (0.59 inch) wider, 118 kg (260 lbs) lighter and has 21 liters (0.74 ft3) bigger cargo space than Cadillac XTS (2015).
Cadillac XTS (2015) is 189 mm (7.44 inch) longer and 33 mm (1.30 inch) higher than BMW 5 Series Gran Turismo (2018).
