Citroen DS4 (2017) is 29 mm (1.14 inch) wider and 2 kg (4 lbs) lighter than Subaru Crosstrek (2015).
Subaru Crosstrek (2015) is 175 mm (6.89 inch) longer, 89 mm (3.50 inch) higher and has 272 liters (9.61 ft3) bigger cargo space than Citroen DS4 (2017).