BMW 5 Series Touring (2016) is 166 mm (6.54 inch) longer, 72 mm (2.83 inch) wider, 70 mm (2.76 inch) higher and has 30 liters (1.06 ft3) bigger cargo space than Peugeot 508 SW (2017).
Peugeot 508 SW (2017) is 440 kg (970 lbs) lighter than BMW 5 Series Touring (2016).