Tesla on Friday announced it's launching new versions of its Model S and Model X vehicles in the U.S., with new price tags to match. The electric-vehicle maker said the upgraded cars, which it's rolling out Friday, come with a number of enhancements, including better battery range, improved aerodynamics, aesthetic upgrades and more.

The carmaker unveiled refreshed versions of the Model S and X on Friday, featuring a host of upgraded features — and a $4,500 price increase.