BMW 5 Series Gran Turismo (2018) is 18 mm (0.71 inch) wider, 39 kg (86 lbs) lighter and has 108 liters (3.81 ft3) bigger cargo space than INFINITI Q70 (2014).
INFINITI Q70 (2014) is 2 mm (0.08 inch) longer and 46 mm (1.81 inch) higher than BMW 5 Series Gran Turismo (2018).