Kia Optima (2016) is 1157 mm (45.55 inch) longer, 140 mm (5.51 inch) wider and has 340 liters (12.01 ft3) bigger cargo space than Vauxhall Adam (2017).
Vauxhall Adam (2017) is 19 mm (0.75 inch) higher and 509 kg (1,122 lbs) lighter than Kia Optima (2016).
