GMC Yukon XL (2014) is 794 mm (31.26 inch) longer, 149 mm (5.87 inch) wider, 486 mm (19.13 inch) higher and has 1662 liters (58.69 ft3) bigger cargo space than Kia Optima (2016).
Kia Optima (2016) is 1104 kg (2,434 lbs) lighter than GMC Yukon XL (2014).
