BMW 5 Series Gran Turismo (2015) is 97 mm (3.82 inch) longer than BMW X6 (2017).
BMW X6 (2017) is 89 mm (3.50 inch) wider, 143 mm (5.63 inch) higher, 30 kg (66 lbs) lighter and has 80 liters (2.83 ft3) bigger cargo space than BMW 5 Series Gran Turismo (2015).