GMC Yukon XL (2015) is 842 mm (33.15 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 (2018).
Kia Optima (2018) is 4127 kg (9,098 lbs) lighter than GMC Yukon XL (2015).
