Go new!
How about a chevy Colorado. The new diesel model is a 2.8L duramax. 31 mpg.


here is a comparison:
http://www.chevrolet.com/colorado-sm...vs-tacoma.html

2016 comparison:
http://www.barkauautomotive.com/blog...toyota-tacoma/

or here is a 2015 comparison of the gas versions:
http://www.caranddriver.com/comparis...e-specs-page-4