thanks for stepping in there!
the main differences are the standard things like a/c, and power stuff. then the appearance stuff like the wheels, flares etc. also starting back in '13, the HDD radio with navigation is now a must have option on the sahara, so that would be in there as well as remote start on automatics.
shouldn't have been a 5g difference for sure. often the sahara is cheaper....
sport with stick, a/c, hard top, power group, side steps, 6.5" (no nav), 7 speakers lists at 38410 freight/ac in. base sahara that has that stuff standard (plus nav, painted flares, nicer wheels, sirius, etc) 39065. so 655 for the listed options?... seems cheap to me. but then again, i would never option a sport like that.