2011 F-150 Xlt 3.7
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I have the 3.7 in a 2014 Supercrew. For my normal travels it's more than enough engine. It has more power than the previous F150 that had a 4.6. Gas mileage I think for mine is stellar- about 20 mpgs town, 23 hiway. But the 3.7 in this platforms suffers a ton in mountain driving. I moved my youngest girl last year to N Carolina, Hendersonville to be exact. Going up the mountains I was driving it flat on the floor and NOT keeping up with traffic. Gas mileage fell to the point I wasn't sure I was going to make the trip. I got a little over 5mpgs on that run. I bought into the 3.7 because it should be near bulletproof. It's basically the 3.5 EcoBoost with a longer stroke and no turbo. That should make for a very low stress engine. Low stress means longer life.
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