GMC Yukon (2017) is 337 mm (13.27 inch) longer, 392 mm (15.43 inch) higher and has 1091 liters (38.53 ft3) bigger cargo space than Opel Insignia (2020).
Opel Insignia (2020) is 39 mm (1.54 inch) wider and 825 kg (1,819 lbs) lighter than GMC Yukon (2017).