me and my husband just bought a 1991 cadi for 900 bucks it has 171,000 miles on it but its in crazy good condition, the previous owner had it for 6 years and did all the right up keep even added a hydrogen defibrillator to the engine to get some better gas millage, along with taking it to the Cadillac dealerships and getting tune ups every 50,000 miles, i was concerned at first about how high the millage was, but he reassured me it runs great and has only ever giving him minor problems that were easy fixes, and a lot of the miles are freeway miles because he liked to drive this car when they went out of state. im just curious how many more miles this car can handle before i would have to replace the motor, does anyone out there know how long these type of cars usually last when it comes to the maximum millage?
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3 Things come top mind here,
1. Just what in the world is a "hydrogen defibrillator" I don't think such a thing exists, at least I can't find one. And all those gas mileage claims are lies, and the ones you see in magazines are BS.
2. I wouldn't trust any one who says they installed fictitious gas saving devices to tell the truth about maintainance.
3. At 171,000 it's past it's life span. In my experience most Cads only last about 130-140k.
And our car got an extra 3 MPG just by not letting dad drive it.