How much should I pay for a peugeot 308 sw se?

We have to get a new car. We need space in the boot to take our disabled son's quad bike. We like Peugeot's and have seen a nice 308 as above. What is a good price, new and/or second hand?|||have a look at www.parkers.co.uk you will be able to look at the model your interested in and it will give you the price for the age of car you want also it has a section that will allow you to look at what problems you may get with this type of car and give you alternatives for similar sized cars