Mines nowhere near as good as the lists above but here goes anyway:
A reg Mk3 Escort 1.6 Ghia in Champagne Gold - Sold to mate who wrote it off
J reg BMW 318 - Had for 2 weeks before realising it was shit and sold it
F reg Escort RS Turbo - Still got 9 years after buying it
Q reg Dutton Phaeton S3 - Got as non runner and sold on after funds dried up
B reg Fiesta 1.1 Ghia - Brought for £20 for a laugh drove for 3 weeks passed the MOT and sold for £350