Chevrolet Volt (2017) is 859 kg (1,894 lbs) lighter than Mercedes GL-Class (2015).
Mercedes GL-Class (2015) is 648 mm (25.51 inch) longer, 210 mm (8.27 inch) wider, 412 mm (16.22 inch) higher and has 380 liters (13.42 ft3) bigger cargo space than Chevrolet Volt (2017).