Ok looking into trading my 2010 F150 Crew for F250. Need input on the Diesel, witch is a better Diesel 6.4 or 6.7

 

The 6.7 will be under warranty.

 

The 6.4 can be under warranty as well depending on year and mileage (also extend warranty) and the 6.7 could be out of warranty due to mileage.

More importantly the 6.7 uses DEF which cuts down on regens and increases fuel mileage at a higher HP and TQ rating than the 6.4. Also the 6.7 is a clean slate Ford design. The 6.4 was designed by International.

The 6.4 is not a bad engine by any means but the 6.7 being a newer design is the "better" engine (in my opinion).

 

The biggest thing between the two is that the 6.7 deals with the emissions equipment better, better mpg. 6.7 also has a 6 speed auto and a little more power.

 

6.7 being newer and next generation emissons is more efficient. If you can afford it that would be the way to go.

6.4 is not as friendly for emissions unless you are a hwy driver.

 

IMHO

stock vs stock,
6.7 kills the 6.4

Tuned,
6.4 kills the 6.7

(but, the 6.7 does have a nicer transmission...._

 

6.7 hands down . Either one can be pricey to own. esp If they break.

 

Just buy the Ford extended warranty then trade-up before it expires.

 

But ford doesn't honor their warranties so buying a warranty threw them is just more money out the window.

 

Sounds like a story lurking behind that comment. Instead of derailing this nice thread, can you post a link?

 

At least 2 users on here have had to pay out of pocket because Ford didn't cover the repairs on the fuel system, they blamed water. Generally you don't hear about all the others that have had fuel system repairs covered because they don't complain. Also he is a 7.3 guy and they think that the 7.3 is the greatest motor ever built in the world, ever! But hey, I'm a 6.0 guy!

 

My 2 cents...
The 2008-2010 6.4L was made by International and after the Navistar issues with the 6.0, I think they did an exceptional job with getting it right minus the emissions which I can only blame the EPA. Moving from 500 ppm to 15 ppm ULSD is a rather ridiculous requirement in a short time span. Ford jumped on the bandwagon quickly by introducing the DPF in the 6.4L. If you want to know how to make a diesel not a diesel and wreck an engine quickly, just add a DPF & EGR...especially if you are a city driver with long idle times. As long as you remove both of these from the vehicle (farm use only after that of course) then you have a hell of a truck with tons of torque and improved gas mileage.
I'm not completely convinced with the 6.7L and it is 2 fold. 1st, it is Ford's first attempt at an in-house diesel so the 1/2 million mile test isn't there yet so stay tuned. 2nd, the EPA's 15ppm ULSD was mandated on all trucks after 2010. Ford really did fine tune the 2nd gen DPF (DEF) and provided a huge increase in fuel mileage. The problem in my book is that as states start mandating diesel emissions testing (beyond opacity) the rules are going to stick hard to trucks 2011 and newer. Crossing my fingers, I really hope EPA grandfathers trucks older than 2011 for the increased requirements and continue opacity testing.

I'm not going to stand firm against either motor being better, I think both have their problems and ultimately will cost you more money to "fix" the stupid emissions issues after you purchase the truck. Either way, it's a Ford so you can't exactly go wrong.

 

You should have been tuned in a few months ago

 

I stand corrected although I would like to see the repair history on that same truck.

 

Me too lol, I didn't see the original thread. Apparently the truck has been good, only major repair was a radiator.