BMW 5 Series Gran Turismo (2015) is 47 mm (1.85 inch) wider and 58 mm (2.28 inch) higher than Cadillac XTS (2016).
Cadillac XTS (2016) is 125 mm (4.92 inch) longer, 313 kg (690 lbs) lighter and has 10 liters (0.35 ft3) bigger cargo space than BMW 5 Series Gran Turismo (2015).