I initially was thinking about an F-150 when buying a new truck but wanted a diesel because I hate the fact that I have to pay for the ethanol the government subsidizes and puts in gasoline. I am of the opinion that ethanol is one of the worst products this nation can produce and didn't want to be forced to pay for it anymore. (I don't have any stations around here that offer ethanol free).
Currently, I don't have anything that requires much towing or hauling, but if I'm going to get a truck, and I have the option of getting a diesel, I'll take it.

 

I owned a 2011 6.2 gas for 14 months before lack of towing power and 1975 era gas mileage had me back at the dealer trading in on a 6.7.

Best decision I ever made.

Gas: 8/14 mpg

Diesel: 13/19 mpg

Crew/SB/4x4.

 

No brainer PrinceV, If are sure you are going to get a 5th Wheel, then buy the 6.7 now. Otherwise, the F150 Ecoboost, give the Toyota to the daughter. Dont forget the EPA is going after gas vehicles now, they will require sulfer removed from gas soon and gas will double, making Diesel cheaper. They want to make it painful to drive anything so buy a 6.7 and have fun with a boat, a bumper pull or 5th wheel, loading up the bed with pavers for a new driveway, or pulling your 5er AND boat behind that. You dont have to worry about pulling anything or Mileage or cargo capacity. The 6.7 also looks good at black tie events. It also does road trips comfortably as a new Lincoln. You guys are way over thinking this.

 

I can't speak on the 6.7, but I just traded my 2011 with the 6.2 and .373 rear on a 2010 with the 6.4 diesel. As far as diesels go, the 6.4 isn't known for getting great fuel economy, but it beats the 6.2 hands down. It's true, the 6.2 will probably pull anything the 6.7 will, but with a little more effort. In my 6.2, I never got better than 12 mpg unloaded (comb. highway/city). Pulling my 20 ft. pontoon boat (which isn't much of a load for a truck like this) down the interstate at 70 mph., it got more like 5-6 mpg. I could take the back roads and keep the speed down around 55-60 and the mileage increased a lot, but still was only around 8-9. I haven't towed with the 6.4 yet, but so far comb. hwy/city, it's averaging about 15 mpg. I plan on doing the dpf delete which will improve fuel economy substantially from what I understand. There are other things to consider than fuel economy, such as the greater upfront cost of the diesel, the price at the pump (I live in SC where the price of diesel is only around $3.60/gal.), and higher maintenance cost. But I'm planning on buying a travel trailer soon, and with the experience I've had with my 6.2, diesel was a no brainer for me. I'd love to have a 6.7, but I'd rather have my $500/month payment, lol!

 

I'm an inspector so I spend most of my day idling and driving from job site to job site. The diesels simply last much longer (if taken care of) than gas engines. Besides, it's also nice to know that the modern diesel engine is more environmentally friendly than the hybrids.

 

I don't have personal experience, but from everything I've read the modern gassers will actually do better for that kind of usage than modern diesels, who no longer take the crown for idling long periods, due largely to the DPF and all the emissions crap.

 

Our bucket trucks at work are V10s. They spend most of the day idleing and have not had any issues at two years and 56,000 miles.

 

Haven't heard of too many trucks with emission issues, but lots of idling will be hard on the emission system, possible wet stacking too.

I believe your idle hours are not supposed to go over 20% of your driving hours.

 

If you live in a state where you don't have to worry about emission testing and you decide on a diesel, you should look into doing a dpf delete. Had a dpf delete and egr delete done on my 6.4. Boosted hp and mpg. There is the risk of voiding the factory warranty. I believe it depends on your dealer from what I've read. Not sure about the newer 6.7's though. Don't know if a delete is possible with those yet or not. Some of these more experienced guys on here would probably know.

 

On my bucket truck the total hours is 2935 and idle hours is 1245. If my math is correct this makes 42% idle hours.

 

It has the 6.7?

 

V10's in his trucks

 

I had the 6.2 and now have the 6.7 - both great motors. I only put 60k on the 6.2 so it being problem free was a cinch.

In the past I had a 2001 V-10 with 168k with no problems to speak of, a 1990 460 with 220k - only tune ups, oil change and fuel, a 1979 400 with 300k - no problems except crystalized valve guides that might be a headache to some but was fixable...

I idle like diesel guys & work/tow them hard - never had much problems

 

That's the issue. If it would not void the warranty, I would definitely delete it immediately, if only for the massive MPG improvement since it's not wasting fuel trying to get EGTs up to burn off the soot. I could legitimately average 20mpg even mostly city. The DPF alone kills mileage by at least 25% and as much as around 35%. And it's certainly something you can delete on the 6.7L. However, I have no desire to void the warranty, as I'm too afraid of the massive repair bills when something blows up. I would be perfectly willing to live with the DEF and EGR and everything else if I could just delete that stupid DPF. Of course, I'd rather get rid of EGR, too, but...

Also, isn't the rest of the emissions system set up expecting the DPF to be there? Will additional particulate screw up the cat and whatever else?

 

I'm at 31% right now.