Audi RS 5 (2015) is 263 kg (580 lbs) lighter than Mercedes GLC-Class (2015).
Mercedes GLC-Class (2015) is 8 mm (0.31 inch) longer, 31 mm (1.22 inch) wider, 290 mm (11.42 inch) higher and has 10 liters (0.35 ft3) bigger cargo space than Audi RS 5 (2015).