Mercedes GLC-Class (2020) is 70 mm (2.76 inch) wider and 171 mm (6.73 inch) higher than Peugeot 408 (2017).
Peugeot 408 (2017) is 94 mm (3.70 inch) longer, 680 kg (1,499 lbs) lighter and has 105 liters (3.71 ft3) bigger cargo space than Mercedes GLC-Class (2020).