Ford Mustang (2018) is 87 mm (3.43 inch) wider than Peugeot 508 SW (2017).
Peugeot 508 SW (2017) is 41 mm (1.61 inch) longer, 91 mm (3.58 inch) higher, 237 kg (522 lbs) lighter and has 198 liters (6.99 ft3) bigger cargo space than Ford Mustang (2018).