Numbers are in, and rental operator numbers are way up in both revenue and fleet size. Meanwhile, the estimated number of new vehicles sold into rental fleets in 2022 represents less than half the total number of vehicles sold in 2019. Car Rental Market: Fleet, Locations, and RevenueCompany U.S. Cars in Service (Avg.) Revenue comes from U.S. car rental operations only. 4 2021 revenue represents U-Save only.