Welcome
Three words - click (rear axle), rattle (every piece of interior trim), beep (your PIN being typed in at the petrol station)
Get a shell v-power card!
If you buy privately get the current owner to take you out - you can see if they handle the car as it should be! I can see you've already been pointed towards the buyers guides, there's a ton of info on here so get using the search function
Welcome to the forum