Traditional car dealerships are facing growing competition and impact to a key profit center from evolving online used car sales. Hertz extended its partnership with Shift for its defleeted stock. Shift benefits from a ready supply of cars to fuel its growth beyond L.A. and San Francisco. Hertz gains improved profits versus auction prices, as well as a link to tech savvy buyers. Shift aspires to scale further with post lease vehicles from OEMs. The startup already sold 60% more than the biggest Bay Area dealership in 2016.