Kia Optima (2017) is 592 kg (1,305 lbs) lighter than Lincoln Aviator (2021).
Lincoln Aviator (2021) is 207 mm (8.15 inch) longer, 162 mm (6.38 inch) wider, 293 mm (11.54 inch) higher and has 673 liters (23.77 ft3) bigger cargo space than Kia Optima (2017).