2009 Toyota Avalon SLT 25

6-Speed Automatic Electronic with Overdrive. All the right ingredients! Come to the experts! When was the last time you smiled as you turned the ignition key? Feel it again with this great-looking 2009 Toyota Avalon. Consumer Guide Large Car Best Buy. It is nicely equipped with features such as 6-Speed Automatic Electronic with Overdrive. Edmunds.com puts it clearly and simply, ...if you're looking for the most refined, best-built full-size sedan in its price bracket, your search should begin and end with the Toyota Avalon... It's the combination of advanced design and precision engineering that gives the Avalon the pinned-to-your-seat acceleration.