Whether you are an existing X308 owner, or you are new to the marque and model, you should seek advice before parting with your hard-earned money. You will find 'Guide Prices' here. There are a number of X308s out there, some rather better than others, some more desirable than others. What can you do? Well if you are planning to spend a sizeable sum, you should consider having a proper inspection done. Motoring organisations can perform this service, but better to have someone who is thoroughly familiar with the model. JEC members can ask one of our experts for a detailed report. (see here) On a less formal level, JEC regional members can help sort the wheat from the chaff, before you get a report done. With a number of X308s in JEC members' ownership, many will have Club insurance and that includes 'Agreed Value', which may give some clue as to the vehicles true value (see here).   is our associated website, where you can buy and sell Jaguars. The Club now also operates a specialist after-market Warranty Scheme to enable owners of X308s to take out policies to guard against major mechanical breakages. This is open to all X308 owners within the Club: for further details contact the JEC office in Bristol.