Aston Martin DB9 (2014) is 33 mm (1.30 inch) longer and 70 mm (2.76 inch) wider than Mercedes C-Class (Coupe) (2017).
Mercedes C-Class (Coupe) (2017) is 126 mm (4.96 inch) higher, 235 kg (518 lbs) lighter and has 214 liters (7.56 ft3) bigger cargo space than Aston Martin DB9 (2014).