BMW 5 Series Touring (2018) is 256 mm (10.08 inch) longer, 75 mm (2.95 inch) wider, 77 mm (3.03 inch) higher and has 115 liters (4.06 ft3) bigger cargo space than Peugeot 408 (2017).
Peugeot 408 (2017) is 481 kg (1,060 lbs) lighter than BMW 5 Series Touring (2018).