Citroen C4 (2017) is 8 mm (0.31 inch) wider and 160 kg (353 lbs) lighter than Subaru Crosstrek (2017).
Subaru Crosstrek (2017) is 121 mm (4.76 inch) longer, 126 mm (4.96 inch) higher and has 223 liters (7.88 ft3) bigger cargo space than Citroen C4 (2017).