In America the personal vehicle is a necessity in the vast majority of the country, and it's relatively more expensive today. As are many other necessities.
(If you want we can quibble further and say a 17k used Rav 4 or Tacoma would be more reliable than a 1970 F-100 anyway blah blah blah blah the increased lifespan and availability of used cars causes new cars to have to go more upmarket blah blah blah... but the hedonic treadmill is also real and if you would've been living it up with a new car and a nice home with a 30min commute in the 70s, but today have a 10 year old car and an apartment with a 70min commute, you're not gonna feel good.)