BMW 5 Series Gran Turismo (2020) is 193 mm (7.60 inch) longer, 47 mm (1.85 inch) wider and has 75 liters (2.65 ft3) bigger cargo space than Peugeot 408 (2014).
Peugeot 408 (2014) is 10 mm (0.39 inch) higher and 325 kg (717 lbs) lighter than BMW 5 Series Gran Turismo (2020).