BMW 7 Series (2014) is 442 mm (17.40 inch) longer, 12 mm (0.47 inch) wider, 300 kg (661 lbs) lighter and has 165 liters (5.83 ft3) bigger cargo space than Mercedes GLC-Class (2020).
Mercedes GLC-Class (2020) is 181 mm (7.13 inch) higher than BMW 7 Series (2014).