BMW 3 Series Gran Turismo (2014) is 168 mm (6.61 inch) longer, 365 kg (805 lbs) lighter and has 170 liters (6.00 ft3) bigger cargo space than Mercedes GLC-Class (2014).
Mercedes GLC-Class (2014) is 62 mm (2.44 inch) wider and 151 mm (5.94 inch) higher than BMW 3 Series Gran Turismo (2014).