Hope some people can help me with a deal I am about to start. I am going to trade in my R reg Astra 1.6 GLS at a Network Q. I have had Astras before my current one and with the exception of the cam belt breaking have been happy with them. So I am going to try for a similar car. I know my current astra had a manufacturing defect which caused the cam belt to snap ( with the expected consequences) Following engine rebuild they fitted a modification as it was apparently a design fault. If I purchase a 2003-2004 astra which one is comparable to my current car, and are there any major problems with them. cam belt failures etc. Aside from my main question above , what can I expect for trade in for my average mileage car and how much can I expect to knock off the sticker price. Thanks