Mercedes G-Class (2015) is 14 mm (0.55 inch) longer, 47 mm (1.85 inch) wider, 466 mm (18.35 inch) higher and has 32 liters (1.13 ft3) bigger cargo space than Peugeot 408 (2017).
Peugeot 408 (2017) is 1175 kg (2,590 lbs) lighter than Mercedes G-Class (2015).