Aston Martin DB11 (2018) is 81 mm (3.19 inch) wider than Kia Optima (2018).
Kia Optima (2018) is 115 mm (4.53 inch) longer, 190 mm (7.48 inch) higher, 200 kg (441 lbs) lighter and has 241 liters (8.51 ft3) bigger cargo space than Aston Martin DB11 (2018).