GMC Yukon XL (2017) is 324 mm (12.76 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 (2020).
Kia Optima (2020) is 1146 kg (2,526 lbs) lighter than GMC Yukon XL (2017).
