Aston Martin Vantage (2016) is 248 mm (9.76 inch) longer and 47 mm (1.85 inch) wider than Mercedes SLK-Class (2017).
Mercedes SLK-Class (2017) is 43 mm (1.69 inch) higher, 155 kg (342 lbs) lighter and has 35 liters (1.24 ft3) bigger cargo space than Aston Martin Vantage (2016).