Mercedes GL-Class (2017) is 721 mm (28.39 inch) longer, 135 mm (5.31 inch) wider, 198 mm (7.80 inch) higher and has 220 liters (7.77 ft3) bigger cargo space than Volvo XC40 (2018).
Volvo XC40 (2018) is 847 kg (1,867 lbs) lighter than Mercedes GL-Class (2017).