We wouldn't recommend buying a diesel pick-up for short journeys. Quite simply, a modern diesel with a DPF isn't designed to be repeatedly started from cold and driven short distances. It needs to do at least 15 motorway miles before it starts to regenerate and burn off all of the built up particulates. Failure to do this could cause the filter becoming clogged up and failing, which will result in expensive bills for cleaning or replacing the DPF.