Hmm, that's a tough one. Most of the 70 odd cars I've owned were non-running derelicts
But of the ones I actually got use out of...
A '71 Vauxhall Victor 3.3 that was fairly reliable but saw me pirouetting through a hedge and almost rolling into a house while taking a gentle bend at low speed one damp evening,
an '81 Plymouth Horizon. Misguided attempt at buying an American car. Horrible, horrible thing,
'73 Triumph Toledo 1500, unbelievably unreliable. Broke down shortly after purchase and continued to do so on a weekly basis 'til it was replaced by a Dolomite,
'75 Mini 1000, numerous mechanical faults, then while the engine was being rebuilt, the body dissolved in a pile of rust,
'66 Pontiac Laurentian, car was made mostly of body filler and bodges. Lots of electrical and brake faults,
'87 Mazda 929 Luce, Mazda's flagship model. V6 auto, rwd and acres of burgundy velour! Lovely when it was going but came home on a tow truck 4 times in 18 months of ownership. Mostly minor faults but very hard to fix on the side of the road.
Funnily enough, i've had some good runs from cars that should've been crap. I inherited an '88 Lada estate with a severely blown head gasket, threw on a second hand head (and gasket
) hoping that it would get me home and drove it for a couple of years without any problems.
A '79 Marina estate 1700 automatic, also inherited with broken front trunnion and served me well for years (then broke down the day after I sold it) and a '71 Austin Maxi which was surprisingly useful and drove and handled much better than i'd expected.
Unfortunately, now most other cars feel like cheap rubbish compared to my lovely P6's so I guess i'll be sticking with them for a while.