When you head southeast out of Phoenix, Arizona, what you'll see is mostly empty space.

You're driving through just miles and miles of essentially desert.

There's like cactuses and just a clear sky,

and it's very remote.

Our colleague Chris Otts made that trip recently

to the small town of Casa Grande.

Chris covers the auto industry,

and he was on his way to a sleepy car dealership out in the desert that had caught his interest.

It's pretty small. There's a few people inside. There's a few people waiting on their cars to be serviced.

There's a few mechanics out back.

For years, this dealership sold maybe a few dozen cars a month.

But now?

This particular store is now doing about 350 sales a month.

Those skyrocketing sales have taken place over the last year,

ever since the store was taken over by a new owner, Carvana,

a company most known for selling used cars online.

But Carvana is now bringing its modern approach to car sales into the new car business,

and the dealership in Casa Grande is early

proof of success. Chris says this new kind of dealership might be a sign of big changes coming

to the car sales industry, which has stayed pretty much the same for decades. And right now, we're seeing a number of different challenges to that model,

companies that are trying to offer a different experience.

I just see the car dealership model generally as a really well-built fortress,

...