JK 
2004 Nissan Frontier King Cab 2dr King Cab XE Rwd SB (2.4L 4cyl 5M)
Efficient, Great Truck
 Owned truck since new for over two years now. Very dependable, not issues to report at this point. Gas mileage is around 27 in the city and around 30 on the highway (5 speed manual). Doesn't feel like a 4 cylinder. Pulled a 2000lb trailer with plenty of power still. 