BMW 5 Series Touring (2018) is 176 mm (6.93 inch) longer, 67 mm (2.64 inch) wider, 78 mm (3.07 inch) higher and has 40 liters (1.41 ft3) bigger cargo space than Peugeot 508 SW (2017).
Peugeot 508 SW (2017) is 326 kg (719 lbs) lighter than BMW 5 Series Touring (2018).