Mercedes GL-Class (2017) is 561 mm (22.09 inch) longer, 135 mm (5.31 inch) wider, 378 mm (14.88 inch) higher and has 72 liters (2.54 ft3) bigger cargo space than Peugeot 308 SW (2020).
Peugeot 308 SW (2020) is 1230 kg (2,712 lbs) lighter than Mercedes GL-Class (2017).