They might sell you a car with hidden faults (such as a faulty turbo in my case). Be aware that if you need to take the car back due to a mechanical fault... 1) Their warranty is not worth the paper its written on. You'll still end up paying most of the cost of repairs and all cost of parts. They charge rip off prices in those repairs such as £236.03 for an oil change. 2) They won't provide a courtesy car so you'll have to pay for your own replacement transport during the months that you are without a working car. 3) They won't allow you to leave your faulty car at their car park (even though its large). They insist you tow it to them on the day they look at it. 4) They will drag their feet for months making you wait just to look at it (and charge you fees for doing so). 5) They will be rude, helping to increase your stress levels considerably for something that is not your fault.