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Old 03-16-2016, 11:05 AM   #15
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If it really matters what MPG you get, you're in the wrong past time. We all pretty much know what RV's get. Weather it's 9 or 11 is no big deal. Some get 6 and some as high as 16. Diesels have good points and bad and so does gas. Many people prefer diesel if they have the bucks. For smaller units gas does fine. As far as 3/4 vs 1 ton goes. The new Ram 2500 is the same as the 3500 except for the springs. The only reason, almost, to go with 1 ton is to get duel rear wheels for a large 5th or camper. So my general answer to the OP is yes, either one would do better but perhaps not required and will probably not pencil out dollar wise.

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Old 03-16-2016, 04:00 PM   #16
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Originally Posted by Cummins12V98 View Post
NOT calling you a liar but over 10mpg towing with a gasser sounds a bit high!
that's probably using the DIC which are not the most accurate but that 6L in a 2500 seems to get about 10 mpg in all conditions...towing or not. My buddy had one and was shocked at how bad it was just driving it to and from work. They're gas hogs for sure but don't really drop off a ton when towing.

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Old 03-16-2016, 11:01 PM   #17
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My 6.4 gets a pretty constant 11.5-12.5 in city driving. I've measured just about every tank I've put in. When I do hit the autobahn it does 16-18 mpg depending on wind and hills. I don't use the EVIC to measure but it is close. Towing my 8500 lb trailer it get 9.5-10.
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Old 03-17-2016, 05:34 AM   #18
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I have a 05 2500hd 6.0 my TT is around 8500-9000 I get 12 or so empty and no matter what I never get below 10 well towing but I agree anything over 10k and a lot of driving I'd get a diesel over gas
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Old 03-17-2016, 10:03 AM   #19
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To answer the OP question - a diesel engine would not struggle like a gasoline engine.

A diesel engine is head and shoulders above the gasoline engine when it comes to towing.

The diesel engine is also head and shoulders above the gasoline engine as far as initial cost.

Stick with the gasoline engine as long as you can stand it then switch to a diesel truck.
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Old 03-17-2016, 11:48 AM   #20
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By the time you want to trade the gasser in on a diesel, you'll probably get a pretty damned good diesel engine for the extra cost. These things are amazing compared to just 20 years ago. Go back even farther, and the differences are incredible.
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Old 03-19-2016, 07:13 AM   #21
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Originally Posted by MRUSA14 View Post
To Bo1430:

DEF? Really? DEF costs me less than a penny per mile, and that is with a 45 foot DP getting 7.5 MPG. There is no way DEF is a meaningful factor in comparing the operating cost of a diesel vs gas pickup truck.
How about when it needs replaced?

Same with the DPF. How much?

Diesel motor will outlast the rest of the truck, pulls like a train, better mileage. But have to weigh in increased maintenance costs, higher repair prices, and diesel specific parts and issues than can and will fail/cause problems. You can spend more replacing fuel or exhaust system than a new gas motor.
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Old 03-19-2016, 11:29 PM   #22
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Really!No big deal ? When it goes back to $4 -5 per gal it will be a big deal. As far as being in the wrong past time, there just maybe some people that do not have the financial where with all not to make fuel mileage a consideration when purchasing one type of truck or RV to another and just may be interested in a comparsion.
There is a big difference getting 10 miles per 1000 traveled then 6 or 7 . Just saying.
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Old 03-19-2016, 11:40 PM   #23
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I really don't know what it will cost to maintain my truck in the future as I don't know what will fail. I also don't know what the future cost of fuel will be. I bought the diesel because I could and I thought it was the best choice for me. If, in the future i go to a MH pulling a Jeep I will have to expect different costs that could change. If I cannot afford those costs I will have to make other choices.
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Old 03-20-2016, 01:43 AM   #24
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Originally Posted by Highway 4x4 View Post
The diesel vs gas is old. But JMO, with a <6K TT gas, 6K-10K gas or diesel, 10K+ go diesel. The unknown factor is that some people don't mind working a truck harder than others. When you sit down with pen and paper and add it all up, yes a diesel costs more, da, it's a lot more truck. In the end get what you and your wallet want.
Great post! Thanks. Helpful.
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Old 03-20-2016, 11:25 AM   #25
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Obviously either gas or diesel is a personal preference. I chose diesel because I plan on this truck being my last vehicle. (2500 4x4) And the times we tow, I prefer the power. Transmission is something that has not been mentioned, important when pulling. A diesel typically has heavier duty parts. Another is the engine / exhaust brake. Over time that will save you on brake jobs. Mine is a daily driver,, (15mpg in stop and go city driving with warm ups in this cold weather) we just got our new 5th wheel, (10,000 GW) so I can't pitch in on fuel mileage yet towing. We have our yearly trip out west coming up so I'll update after that. (2500+ miles) I always dreaded it in our older MH, but now looking forward to it. Monkey
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Old 03-25-2016, 07:51 PM   #26
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I bought a gasser with turbo chargers, the Eco-boost 3.5L. I know I will not be getting a 5ver, nor will I be pulling a monster TT.

I will always be in the 5k to 8k GVWR range.

But with the turbos, my engine will not be penalized nearly as much as a normally aspirated gas engine.

And at that size I do not need a diesel.
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Old 03-29-2016, 08:32 PM   #27
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Originally Posted by Atlee View Post
I bought a gasser with turbo chargers, the Eco-boost 3.5L.
That is a great gas engine! More torque and horsepower than many 6L gas engines, and it develops it's torque around 2400 rpm.

For the big tows the diesel advantage is hard to beat.

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Old 03-29-2016, 11:42 PM   #28
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To the OP, if you don't change your own fluids or do much of your own maintenance call the dealer of the brand of diesel you are looking at and ask them how much they charge for oil and fuel filter changes and how often you need them done.
Then ask then how much it would cost for the gasser version of the same truck.

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