The 2001 Nissan Frontier is available as a 2-door, 3-seat regular side. Starting at $11,749, the 2001 Nissan Frontier (M5) 4x2 Regular Cab is powered by a 2.4L, 4-cylinder engine mated to a manual transmission that returns an EPA estimated 22-mpg in the city and 26-mpg on the highway. The top of the line 2001 Nissan Frontier SC-V6 (A4) 4x4 Crew Cab, priced at $25,249, is powered by a 3.3L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 18-mpg on the highway.