The handling is reliable and direct without being thrilling, but you at least always have a sense of where the nose is. The steering rack is actually fairly well geared for around town, with a Keep Your Car Running Smoothly. Citroen service checks are vital to ensure top motor performance. If your Citroens’ sub-systems (engine, gearbox, air conditioning, tyres etc.) are poorly maintained, your car runs less efficiently and consumes more fuel. To keep your Citroen running at peak performance, you need to have it serviced regularly. The C4 is a pretty economical car. The 128bhp 1.2-litre petrol averages more than 50mpg on the official WLTP test cycle, while the 108bhp and 128bhp 1.5-litre diesel will both do more than 60mpg How reliable is the Citroen e-C4 X? We haven’t received enough information about the Citroen e-C4 X to assess its reliability. However, we have heard from enough Citroen owners to rate the dependability of the brand as a whole. To find out more, head to our guide on the most reliable car brands. How comfortable and spacious is it? Citroen C4 X Shine long-term test: a spacious and affordable family car Most Popular Deal of the Day: Peugeot 408 is a head-turning family car for an astonishing £175 per month Used car reviews from the expert What Car? road test team, covering depreciation, servicing cost, reliability and buying advice. Citroen C4 Picasso is a versatile, stylish MPV that represents terrific used value scoring highly for practicality but poorly for reliability. It may be that as these cars have matured, common Reliability and Safety Reliability has improved over previous Citroens, while a five-star Euro NCAP rating means the C4 SpaceTourer is very safe Cars Share this on Twitter Share this on Facebook Email What are the most reliable used car brands? Citroen is in last place, with 47.2%; its score is pulled down by the poor performance of diesel versions of the 2013-2018 C4 Picasso. With vehicles The new Citroën C4 is an admirable car, but there is an abundance of much better rivals ; Close. used Citroen C4 2011-2018 cars for sale. Citroen C4 1.6 HDi 16V VTR Euro 5 5dr . 2011. £3,190. Fu2WOm0.