GMC Yukon XL (2018) is 845 mm (33.27 inch) longer, 185 mm (7.28 inch) wider, 420 mm (16.54 inch) higher and has 1662 liters (58.69 ft3) bigger cargo space than Kia Optima (2017).
Kia Optima (2017) is 985 kg (2,172 lbs) lighter than GMC Yukon XL (2018).
