Well I have driven my 2013 JKUR 6spd about 1000 miles (well balanced mix of highway and city) and the computer has averaged right around 18 mpg... I generally drive pretty conservatively but I give it a pull every now and then.
2013 JKU Rubicon 6spd: ARB Dana 44 covers F&R, Expedition One front bumper & swaybar skid, Hella driving lamps, JKS adjustable track bars F&R, MBRP SS off-road exhaust, OME HD springs and shocks, OME relocated SS, Rock Hard 4x4 gas tank skid, Rock Hard 4x4 oil pan skid, Rock Hard 4x4 rock sliders, Rock Hard 4x4 transfer case skid, Spidertrax wheel spacers, Superwinch LP8500 Gen 1
2002 Subaru WRX: Cobb intake, Mishimoto aluminum radiator, Kartboy short throw shifter and bushings
1960 CJ-6: Never ending project rig
JKUR - [url]http://www.jeepforum.com/forum/f96/jopolly3s-jkur-build-thread-1522982/[/url]
CJ6 - [url]http://www.jeepforum.com/forum/f8/jopolly3s-cj6-build-thread-1347975/[/url]
WJ - [url]http://www.jeepforum.com/forum/f197/jopolly3s-wj-build-thread-lauren-1033184/[/url]
"BFG makes some good rubbers, if they sold condoms I'd buy them" -Owen Horner