The 2021 Toyota Avalon Hybrid is available as a 4-door, 5-seat sedan. Starting at $37,100, the 2021 Toyota Avalon Hybrid XLE is powered by a 2.5L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 43-mpg in the city and 44-mpg on the highway. The top of the line 2021 Toyota Avalon Hybrid Limited, priced at $43,400, is powered by a 2.5L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 43-mpg in the city and 43-mpg on the highway.