GMC Yukon XL (2016) is 858 mm (33.78 inch) longer, 392 mm (15.43 inch) higher and has 1632 liters (57.63 ft3) bigger cargo space than Opel Insignia (2017).
Opel Insignia (2017) is 39 mm (1.54 inch) wider and 830 kg (1,830 lbs) lighter than GMC Yukon XL (2016).