How many miles depends a lot on how much you drive. Sitting, especially outside on dirt, is really hard a car. I would rather have a well maintained car with high mileage than a low mileage one that has spent the last 5 years sitting in a back yard
I have bought more than a few cars with over 100,000 on them, some ran trouble free for another 100,000. Some...
I like Toyota, and I've had good luck with GM, Ford not so much, but I lay that on karma, not Ford.