i dont kow, but i would be surpried if there was. if you have a reliable car why would you want to swap and if you have an unreliable ca who would want to swap
Thats why I haven't bothered with a car dealer Tony, I have just got a years MOT on my vehicle and it's also low milage, but could really do with a smaller car now, I am sure years ago Auto Trader used to have car swap advertisements but then again, I may have dreamt that.