BMW 7 Series (2018) is 442 mm (17.40 inch) longer, 12 mm (0.47 inch) wider, 240 kg (529 lbs) lighter and has 164 liters (5.79 ft3) bigger cargo space than Mercedes GLC-Class (2016).
Mercedes GLC-Class (2016) is 181 mm (7.13 inch) higher than BMW 7 Series (2018).