BMW 6 Series Gran Turismo (2018) is 181 mm (7.13 inch) longer, 545 kg (1,202 lbs) lighter and has 29 liters (1.02 ft3) bigger cargo space than BMW X6 (2014).
BMW X6 (2014) is 87 mm (3.43 inch) wider and 150 mm (5.91 inch) higher than BMW 6 Series Gran Turismo (2018).
Size difference at a glance
BMW 6 Series Gran Turismo (2018) is 3.7% longer than BMW X6 (2014).
BMW 6 Series Gran Turismo (2018) is 4.4% narrower than BMW X6 (2014).
BMW 6 Series Gran Turismo (2018) is 8.9% lower than BMW X6 (2014).
BMW 6 Series Gran Turismo (2018) is 23.3% lighter than BMW X6 (2014).
BMW 6 Series Gran Turismo (2018) is 5% larger in cargo space than BMW X6 (2014).
Overall footprint
BMW X6 (2014) has a 0.8% smaller overall footprint (length × width).