I'd bought a Mk1 Fiesta XR2 with less than 8000 miles on it from a friend in the model railway club for £500 when it was about 5 years old. His dad (who'd had it from new) had just died and my friend didn't want it (his daily driver was an 850 Mini auto and his 'weekend & special occasions' car was a huge 1930's Lanchester of some description!)
Anyway fast forward a couple of years & the wife wants to buy her dad's hateful Sierra Azura I've mentioned before. OK I says we'll keep the XR in the garage. No, SWMBO says, it'll just clutter up the place. It still had less than 10K miles, was absolutely mint - & she made me sell it to the local MOT centre for £250....!! This was in about 1998, if you can find even a half decent one with 100K miles on now you'll be lucky to get change out of £15000...!! Struggle to get that return from a savings account!