雪铁龙宣布将为DS4进行一系列升级，主要是增加了一台汽油，两台柴油共三台新引擎。在搭载THP 165 S&S EAT6汽油引擎后车辆百公里油耗5.5升，每公里二氧化碳排放量130克。而在柴油引擎方面，BlueHDi S&S 150搭配六速手动变速器，百公里油耗仅为3.9升，每公里二氧化碳排放量100克；BlueHDi S&S 180 EAT6百公里油耗4.3升，每公里二氧化碳排放量113克。除了新引擎外，高端版本还提供被动门禁，按键点火和新的7英寸触控屏导航系统。
Citroen DS 4 gains new engines & updated technology
Citroen has announced a series of updates to the DS 4.
Starting under the hood, there's three new engines including a THP 165 S&S EAT6 that enables the model to return 5.5 L/100km (42.7 mpg US / 51.3 mpg UK) and have CO2 emissions of less than 130 g/km.
On the diesel side, the BlueHDi S&S 150 6-speed manual consumes 3.9 L/100km (60.3 mpg US / 72.4 mpg UK) and has CO2 emissions of 100 g/km.
Lastly, the BlueHDi S&S 180 EAT6 offers an impressive combination of performance and fuel efficiency at it consumes 4.3 L/100km (54.7 mpg US / 65.7 mpg UK) and has CO2 emissions of 113 g /km.
Besides the new powertrain options, higher-end variants receive passive entry, a push button ignition and a new touchscreen navigation system with a seven-inch display.