GMC Yukon XL (2017) is 324 mm (12.76 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 1116 kg (2,460 lbs) lighter than GMC Yukon XL (2017).
