Mercedes G-Class (2020) is 75 mm (2.95 inch) wider, 456 mm (17.95 inch) higher and has 107 liters (3.78 ft3) bigger cargo space than Opel Insignia Sports Tourer (2015).
Opel Insignia Sports Tourer (2015) is 244 mm (9.61 inch) longer and 868 kg (1,914 lbs) lighter than Mercedes G-Class (2020).