Mercedes GLC-Class (2017) is 56 mm (2.20 inch) wider and 173 mm (6.81 inch) higher than Volkswagen Passat (2015).
Volkswagen Passat (2015) is 210 mm (8.27 inch) longer, 635 kg (1,400 lbs) lighter and has 100 liters (3.53 ft3) bigger cargo space than Mercedes GLC-Class (2017).