Rental Cars at Knoxville Airport and downtown Knoxville

There are wide range of rental car options available either at the Knoxville Airport or around downtown Knoxville.

These include but is not limited to the following:

Avis
Budget
Enterprise
Europcar
Hertz
Sixt
Thrifty

A generalized search of "Car Rentals Knoxville" will lead to many websites for browsing. Also remember that some specific rental car company websites can provide valuable options depending on your needs.