Kia Optima (2017) is 485 mm (19.09 inch) longer, 85 mm (3.35 inch) wider and has 140 liters (4.94 ft3) bigger cargo space than Vauxhall Astra (Hatchback) (2017).
Vauxhall Astra (Hatchback) (2017) is 15 mm (0.59 inch) higher and 391 kg (862 lbs) lighter than Kia Optima (2017).
