I agree. The 3.5Eco is a good idea for those that want a truck but don't plan to work it regularly. There is no replacement for displacement and I'd gladly take the 5.0L V8, a lot more time (and Fords money) went into that engine design than the V6's. rwd base F150 the 3.7L V6 isn't a bad choice even when towing light loads, but it doesn't offer torque down low, where the V8's do. Don't forget either that the 3.5Eco engine should run on 91 octane. Ford says it's not necessary but even knock sensors have an operational lifespan! More for fuel, $2K (Canadian) for the engine option over the V8 alone, makes the 5.0L V8 my top pick. The 6.2 is a bit overkill, as anyone who needs to tow over 8-9K regularly should own a 3/4 ton truck. Ford doesn't have EPA tests done, but they expect 24mpg highway for the V6 engines. However, the top gears are very tall, which lowers cruising rpm and if you have ANY weight in the truck and tap the gas, you'll be guaranteed a downshift, or two, to maintain speed on grades. The other benefit of a decently sized V8 is allowing added engine braking when you downshift the transmission to save a bit on service brakes and to keep the rotors from warping! I can climb a 12% grade with my Dodge 5.9L V8 towing 3K on top of it all, while maintaining a steady 1800rpm at 55-58mph. If I had a V6, it would have downshifted or if it was a manual trans, I'd have to downshift to maintain speed. In the end you get what you pay for and I agree that the Ecoboost V6 is a good, if not solid engine option, but I believe it's geared toward power junkies who don't work their truck but want to save on fuel while driving something that's 'big'.