Citroen DS4 (2014) is 13 mm (0.51 inch) higher and 162 kg (357 lbs) lighter than Opel Insignia Sports Tourer (2014).
Opel Insignia Sports Tourer (2014) is 638 mm (25.12 inch) longer, 46 mm (1.81 inch) wider and has 201 liters (7.10 ft3) bigger cargo space than Citroen DS4 (2014).