Yes since one of my cars is from the 70's and is giving no problems and I see many cars from the 70's still on the road. I wouldn't wager a lot of money on Hundais and Kias being still reliable after 150,000 miles but I wouldn't hesitate to take my old Ford cross country with over 250,000 miles on it. I wouldn't buy one of those "cheap" (they are not exactly cheap though) with over 100,000 miles or if it was over 5 years old.
OMG. LOL. Do you travel much, say, to places where it snows?