we have a nearly 3 year old 2011 F150 Lariat 4x4 Supercab, 145" wheelbase / 6.5' bed, 3.5L Ecoboost,
it rides on factory P275/65R18 OWL All Terrains, has 3.73 limited slip rear, (7,700 GVWR)
and with the Max Trailer Tow Package, iirc, it's rated to tow 11,300 pounds, with a GCWR of 17,100.
we pull our 2002 Safari 25C Six Sleeper with it. the 25C has GVWR of 6,300. we use a plain old Reese w/d bar hitch. the tongue weight, loaded, is about 850 pounds.
the truck has plenty of get up and go, hitched and unhitched. suffice it to say that it pulls our AS just fine with no towing issues at all.
am sufficiently happy with this vehicle that I will buy / lease another one. we're planning on a new 2015 for the fall, if Ford production co-operates!
this 2011 is my sixth F150 since 1996. suffice it to say that, towing or not, it works for us.
very local - in town, suburban, mileage is about 14 mpg. highways at 62 to 65 mpg will get you up around 21 - 22 mpg. at 75 mph, about 18 mpg. towing is usually about 12 to 13 mpg, though we have seen as high as 14.5 mpg.
I did try turning off the Roll Stability Control with no apparent or measurable difference in mileage.
we protect the bed and our cargo with a BedRug and a Truxedo Lo Pro QT tonneau cover. both were new in 2005 an have been in / on our 2005, 2008, and 2011 Fs.
the Sony sound is good enough for the average listener. the reverse sensing is excellent. the rear camera makes hitching up effortless. the moonroof is as close to ragtop as I'll see any time soon. even the electric sliding rear window is handy.
if I could change two things, they would be -
shorter rear axle gears (3.55s) with all the rest of the Max Tow Package elements, notwithstanding the resultant 1,500 pound reduction in towing capacity, and,
put a Garmin Nav into the dashboard in place of the Ford + Microsoft SYNC / Sony piece of junk! the inventory of Ford POI info is perfectly abysmal! my old $125 Garmin is a much better NAV system.