Aston Martin Vantage (2016) is 490 kg (1,080 lbs) lighter than Mercedes GLC-Class (2015).
Mercedes GLC-Class (2015) is 274 mm (10.79 inch) longer, 26 mm (1.02 inch) wider, 399 mm (15.71 inch) higher and has 50 liters (1.77 ft3) bigger cargo space than Aston Martin Vantage (2016).