Peugeot 508 SW (2014) is 205 mm (8.07 inch) longer, 50 mm (1.97 inch) wider, 32 mm (1.26 inch) higher and has 182 liters (6.43 ft3) bigger cargo space than Subaru Impreza GT (2018).
Subaru Impreza GT (2018) is 355 kg (783 lbs) lighter than Peugeot 508 SW (2014).