Aston Martin Vantage (2017) is 454 mm (17.87 inch) longer and 142 mm (5.59 inch) wider than Mazda 6 Atenza (2015).
Mazda 6 Atenza (2015) is 249 mm (9.80 inch) higher, 465 kg (1,025 lbs) lighter and has 207 liters (7.31 ft3) bigger cargo space than Aston Martin Vantage (2017).
