Car buyers today continue to face fewer choices and much higher prices — and cheap vehicles are especially hard to find. It's not just that there are fewer cars; the ones being made are fancier, too.

A lot of new cars can drive themselves down the middle of a lane and adjust speed to match traffic. Some even let you go hands-free at times. But they all require very close supervision.

A lot of new cars can drive themselves down the middle of a lane and adjust speed to match traffic. Some even let you go hands-free at times. But they all require very close supervision.