I've driven the Titan and it is the best truck available IMHO. I drive a 99 Frontier King Cab 4wd. 99% of the time I am the only person in the truck but I wanted a slightly bigger interior to be able to put more cargo inside and rear doors too make it easy access. Crew cabs have too much seat and I don't want to sacrifice the bed. I drive 35 plus hwy miles one way to work so would the mpg of the 05 Frontier make a difference? I'm counting on the Frontier being 2-3k less than a like equiped Titan.