You’d be surprised. My SRT will be in better condition in 40 years than my ‘69 Dart was after 40 years. The modern cars are designed with 3x the service life that the old cars were.
Well that true. When I was a kid, cars with 100,000 miles on them were rare. Manufactures didn't plan on the service life that's common now. Between improvements in oils, machining and QC, in many ways they've come a long way.