The 2012 Toyota 4Runner is available as a 4-door, 5-seat sport utility. Starting at $31,090, the 2012 Toyota 4Runner SR5 4x2 is powered by a 4.0L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 17-mpg in the city and 23-mpg on the highway. The top of the line 2012Toyota4RunnerTrail 4x4 , priced at $ 36,755 , is powered by a 4.0L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 17-mpg in the city and 22-mpg on the highway.