Mercedes GL-Class (2020) is 396 mm (15.59 inch) longer, 178 mm (7.01 inch) wider, 362 mm (14.25 inch) higher and has 225 liters (7.95 ft3) bigger cargo space than Peugeot 408 (2014).
Peugeot 408 (2014) is 1160 kg (2,557 lbs) lighter than Mercedes GL-Class (2020).