Everyone on the forum will certainly attempt to convince you to keep it. That's who we are.
Unfortunately, there are always forces present that will eventually take the vehicle away from most of us. Although most on this thread will never admit it, all will eventually succumb to those forces unless they have unlimited resources. The fact that they drive such vehicles typically means that they do not.
The forces driving all members away from 30 year old vehicles are simple to quantify:
1) Wrenching
2) Time required for wrenching
3) The need for a backup vehicle to do extended wrenching
With regard to 1):
You must be a person who has some skills and doesn't mind the effort required to do this work. If you resent the work needed to maintain the vehicle, you can stop right here and get rid of it unless you have the funds to pay a mechanic to do it. I make the presumption that the latter point is nearly impossible to find on this forum.
With regard to 2):
You must be a person who can devote approximately 100 hours per year to do both the research necessary to perform the wrenching and the actual wrenching itself. If you do not have the 100 hours, or do not want to spend the 100 hours, then you can stop right here and get rid of it.
With regard to 3)
It is quite difficult for most of us to maintain a 30 year old vehicle in D/D status without a backup vehicle. Those that claim to do it are simply waiting for the day where the vehicle is out of service for several days or weeks awaiting both parts and the mechanic (you). If you decide to get a second vehicle (the Prius........already done), the question simply is a matter of cost. Presuming your are OK with 1) and 2) above, you must then decide whether the cost of parts, insurance and vehicle registration is acceptable to you. If they are, then you definitely keep the M/B because you have met the criterion of all three points noted in the list .
Many of us are just plain stupid and own four vehicles, paying over $3K in just insurance for them. This is ridiculous from a financial standpoint as Joe noted above, but, you have to spend your money somewhere.................
