Aston Martin DB9 (2015) is 304 mm (11.97 inch) longer and 140 mm (5.51 inch) wider than Subaru Impreza GP (2016).
Subaru Impreza GP (2016) is 187 mm (7.36 inch) higher, 390 kg (860 lbs) lighter and has 243 liters (8.58 ft3) bigger cargo space than Aston Martin DB9 (2015).