No model offers quite such a mixed bag as the C5. If there'Â’s one thing you all agree on, itÂ’s that, when itÂ’s working, the firmÂ’'s legendary suspension expertise is still class-leading –– the Citroen comes top of the pile for ride quality. However, a poor 87th for reliability and 81st for build quality paint a worrying picture. A huge 65 per cent of you reported having a fault over the past three years, with 13 per cent complaining of suspension trouble and 28 per cent having dodgy electrics. Room for improvement.