BMW 5 Series Gran Turismo (2017) is 254 mm (10.00 inch) longer, 81 mm (3.19 inch) wider, 71 mm (2.80 inch) higher and has 45 liters (1.59 ft3) bigger cargo space than Peugeot 408 (2017).
Peugeot 408 (2017) is 495 kg (1,091 lbs) lighter than BMW 5 Series Gran Turismo (2017).