GMC Yukon XL (2014) is 794 mm (31.26 inch) longer, 149 mm (5.87 inch) wider, 481 mm (18.94 inch) higher and has 1662 liters (58.69 ft3) bigger cargo space than Kia Optima (2017).
Kia Optima (2017) is 1134 kg (2,500 lbs) lighter than GMC Yukon XL (2014).
