She bought her 1957 Chevy new in 1957, and it's the only car she has driven since!
You can admire the classic beauty in her video:
If you're wondering how it stayed in such good shape over the years, a Reddit commenter offered this believable hypothesis:
"Probably by being in a garage most of the time. She's got 116k miles in 53 years, meaning she drives on average 2190 miles per year. Considering she says she had a job that required some travel back in the day and a couple long trips back in the day there's probably been many years it hasn't been driven at all basically."