GMC Yukon XL (2015) is 842 mm (33.15 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 4097 kg (9,032 lbs) lighter than GMC Yukon XL (2015).
