Peugeot 308 (2014) is 23 mm (0.91 inch) wider and 120 kg (265 lbs) lighter than Subaru Crosstrek (2018).
Subaru Crosstrek (2018) is 197 mm (7.76 inch) longer, 158 mm (6.22 inch) higher and has 161 liters (5.69 ft3) bigger cargo space than Peugeot 308 (2014).