GMC Yukon XL (2018) is 845 mm (33.27 inch) longer, 185 mm (7.28 inch) wider, 425 mm (16.73 inch) higher and has 1662 liters (58.69 ft3) bigger cargo space than Kia Optima (2016).
Kia Optima (2016) is 955 kg (2,105 lbs) lighter than GMC Yukon XL (2018).
