ItÂ’'s one of the best-value used family cars around, but what is the 406 really like to live with? “"Could do better”" sums up your views of the French four-door, estate and coupé. You enjoy the smooth ride, but want stronger stopping power and punchier performance. Given that a huge 63 per cent of 406s in the survey use diesel, 71st place for running costs is disappointing, as is the reliability score. However, what will really worry bosses is how close the 407 is in the chart to its 406 predecessor...