This full-scale review of the engine range brings higher performance and better energy efficiency, putting the DS4 at the top of the tree in this vehicle category. The Citroen DS4 also gets touch navigation and hands-free access and start-up, features more usually found higher up in the price scale.
The new engines available on the DS4 develop torque of 240 Nm to 400 Nm and boast fuel consumption of 3.7 l/100 km to 5.5 l/100 km. After being equipped with a 3-cylinder petrol engine and the BlueHDi 120 in late 2014, the DS4 gains a new petrol engine, the THP 165 S&S EAT6, and two new diesels, the BlueHDi 150 S&S 6-speed manual and the BlueHDi 180 S&S EAT6. The new engines bring customers more power and even lower fuel consumption.
Available with the new EAT6 6-speed automatic gearbox, the THP 165 S&S engine is an impressive performer with a slightly increased torque ratings of 240 Nm and lowered fuel consumption of 5.5 l/100 km, a 29% improvement on the THP 160, as well as reduced emissions at under 130 g/km.
The BlueHDi 150 S&S 6-speed manual also raises the game, with 50 Nm more torque, 25 bhp higher power, an a 20% cut in CO2 emissions and fuel consumption compared with the HDi 135. The figures speak for themselves: the new engine consumes just 3.9 l/100 km of fuel, emits a mere 100 g/km of CO2, yet develops torque of 370 Nm, 20 to 70 Nm more than its main rivals.
The second new diesel unit for DS4 to appear in 2015 is the Blue HDi 180 S&S EAT6. With the new EAT6 six-speed automatic transmission it offers the driver outstanding performance and fuel economy: 4.3 l/100 km for 113 g /km of CO2, and torque of 400 Nm, the highest in this vehicle category; up to 50 Nm more than its main rivals.
Citroen DS4: HFAS and touch navigation: technology for driver pleasure
Technology is a key value for the DS brand and is fully expressed in the equipment on the DS4, which is now available with hands-free access and start-up (HFAS) and touch navigation. With HFAS, drivers can open, close and start their car while keeping their keys in their pockets, with the key detected at a distance of two metres from the vehicle. The new high-resolution 7-inch touch tablet simplifies use of the satnav system and other functionalities, and also contributes to improving cabin ergonomics.