Mercedes G-Class (2015) is 11 mm (0.43 inch) wider and 441 mm (17.36 inch) higher than Opel Insignia Sports Tourer (2015).
Opel Insignia Sports Tourer (2015) is 149 mm (5.87 inch) longer, 995 kg (2,194 lbs) lighter and has 73 liters (2.58 ft3) bigger cargo space than Mercedes G-Class (2015).