GMC Yukon XL (2021) is 878 mm (34.57 inch) longer, 445 mm (17.52 inch) higher and has 2116 liters (74.73 ft3) bigger cargo space than Opel Insignia (2015).
Opel Insignia (2015) is 27 mm (1.06 inch) wider and 897 kg (1,978 lbs) lighter than GMC Yukon XL (2021).