best place to sell a K10?

got a Nissan Micra K10 1.2L auto with sunroof . engine bit noisy but it is an old car! looking to sell it on as wife cant handle it with no power steering! got it for wife but sadly she cannot get it round tight corners ( she is 71) .2 previous owners . decent condition . thought about gumtree ? not sure values though it is insured for £1500 don't expect to get that much for it of course .had it MOT'd few weeks ago .no advisories. suggestions welcome ..other than dump it of course. so suggestions for value? and where to see welcome.