I was very interested to read the email you published on Sat 3 September concerning the poor consumption being achieved by an Astra 1.7TDCI. Mine is the same but also EcoFlex and I only get 42mpg on average. The retailers insist that the car has to have run 5,000 miles to obtain optimum performance, which I am coming up to, but the consumption has remained consistent since I bought it in February this year. Could you also give me details of the Independent Analyst? I wonder about the legal position regarding this sale as, the sales rep told me, when I was enquiring about the car that it would achieve an average of 64mpg. This was one of the main reasons for buying it.