Aston Martin Vantage (2017) is 50 mm (1.97 inch) wider than Kia Optima (2017).
Kia Optima (2017) is 126 mm (4.96 inch) longer, 177 mm (6.97 inch) higher, 179 kg (395 lbs) lighter and has 210 liters (7.42 ft3) bigger cargo space than Aston Martin Vantage (2017).
Size difference at a glance
Aston Martin Vantage (2017) is 2.6% shorter than Kia Optima (2017).
Aston Martin Vantage (2017) is 2.7% wider than Kia Optima (2017).
Aston Martin Vantage (2017) is 12% lower than Kia Optima (2017).
Aston Martin Vantage (2017) is 11.5% heavier than Kia Optima (2017).
Aston Martin Vantage (2017) is 41.2% smaller in cargo space than Kia Optima (2017).
Summary
Kia Optima (2017) is the larger car on 3 of 4 key dimensions.
