Comment by TheJoeMan

140,000 miles is a lot of use in 7 years. "expected" design life of cars can be 10yrs/100,000 miles. Sorry to hear about your drivetrain issues. I don't know about the Tucson in particular, but many manufacturers are lying about the transmissions having "lifetime" fluid when the transmission manufacturers themselves recommend fluid changes around 60-80k. But if you don't change it, yes technically the car will make it to 100k, but then no shop will touch the transmission fluid for fear of wrecking it.