I’m guessing because Scotland, and it’s a long way for most of your market to travel. Whilst the car may not be to my taste, I can’t fault the quality of the advert in the slightest and the price seems reasonable enough to me.
Ultimately though price is everything, and you may need to drop it if you want a quicker sale. I genuinely wish you all the best with it, you seem like a decent and level-headed person to deal with