Very few.
1970 Mustang fastback, used from Avis in '71, 103K now, doesn't run but I still have it.
1967 Falcon Futura 4dr. Dad bought new, he put a 100K on it, I put 200K more on it, doesn't run but I still own it.
1988 Jeep Comanche pickup, used, but nearly new. Gave it away finally after...