Mercedes GL-Class (2015) is 155 mm (6.10 inch) longer, 167 mm (6.57 inch) wider, 415 mm (16.34 inch) higher and has 200 liters (7.06 ft3) bigger cargo space than Volvo S80 (2017).
Volvo S80 (2017) is 893 kg (1,969 lbs) lighter than Mercedes GL-Class (2015).