The 2008 Toyota Prius is available as a 5-door, 5-seat sedan. Starting at $21,500, the 2008 Toyota Prius Standard is powered by a 1.5L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 48-mpg in the city and 45-mpg on the highway. The top of the line 2008 Toyota Prius Touring, priced at $23,770, is powered by a 1.5L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 48-mpg in the city and 45-mpg on the highway.