Aston Martin Vanquish (2018) is 50 mm (1.97 inch) wider than Kia Optima (2019).
Kia Optima (2019) is 126 mm (4.96 inch) longer, 175 mm (6.89 inch) higher, 179 kg (395 lbs) lighter and has 142 liters (5.01 ft3) bigger cargo space than Aston Martin Vanquish (2018).
Size difference at a glance
Aston Martin Vanquish (2018) is 2.6% shorter than Kia Optima (2019).
Aston Martin Vanquish (2018) is 2.7% wider than Kia Optima (2019).
Aston Martin Vanquish (2018) is 11.9% lower than Kia Optima (2019).
Aston Martin Vanquish (2018) is 11.5% heavier than Kia Optima (2019).
Aston Martin Vanquish (2018) is 27.8% smaller in cargo space than Kia Optima (2019).
Summary
Kia Optima (2019) is the larger car on 3 of 4 key dimensions.
