Audi TT (2015) is 660 kg (1,455 lbs) lighter than Mercedes GLC-Class (2014).
Mercedes GLC-Class (2014) is 476 mm (18.74 inch) longer, 58 mm (2.28 inch) wider, 306 mm (12.05 inch) higher and has 45 liters (1.59 ft3) bigger cargo space than Audi TT (2015).