BMW 6 Series Gran Turismo (2019) is 434 mm (17.09 inch) longer, 12 mm (0.47 inch) wider, 305 kg (672 lbs) lighter and has 259 liters (9.15 ft3) bigger cargo space than Mercedes GLC-Class (2014).
Mercedes GLC-Class (2014) is 120 mm (4.72 inch) higher than BMW 6 Series Gran Turismo (2019).