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Old 03-20-2017, 11:18 AM   #1
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Default Gas vs Diesel for High Mileage (bought a truck, pic on last page)

I really appreciate all of the input on the gas motor options in my other thread. So, I have one more question and I will quit bugging ya'll.

I may be getting a new (maybe to me) truck. I understand the points about if I only tow occasionally that the 6.2L Ford or 6.0L GMC motors will be fine. I have one more point that I would like input on.

This next truck will be a long time keeper. As in 12-15 year keeper potentially. I have two daughters that will need vehicles in the next 8 years (one in three years and one in 8) plus my wife's vehicle will need replacing in about 5 years. So, I will have this one a long time. Also, I could be potentially putting a ton (to me) of highway miles on this truck traveling around to different work locations in state. I could be putting as much as 30k a year on it. So, to me a diesel makes more sense for this as I have seen many, many diesel 3/4 tons with well over 300k on the clock.

I can get a late model (2014, 2015, or 2016) diesel truck with 50k or less on the clock equipped how I want it for about the same price as 2016 gas one with less than 20k on the clock. So, what says the THT braintrust?

Last edited by cwhite6; 04-03-2017 at 09:31 AM.
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Old 03-20-2017, 11:29 AM   #2
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Big question is how much towing and how large? A lot of gassers will last a long time with lower cost maintenance and upfront cost. Maybe buy a beater to get around?
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Old 03-20-2017, 11:32 AM   #3
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My cat weighs between 8000 and 9000 pounds depending on the gas and crap in it. I do not want two trucks. Just one. When I do tow my cat, it is 300 miles on way.
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Old 03-20-2017, 11:40 AM   #4
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I was in a similar position as you last year. I wanted to buy "the last vehicle I'll own"; I was looking for something that will give me 20 years of service. I don't know what the future holds in terms of how much to tow, but my current towing needs were for 6,000 lbs. I wanted something that was reliable, comfortable, durable, and had a great warranty. I also wanted a diesel, because I believe that when well maintained, a diesel will outlast a gasser <INSERT ENDLESS DEBATE HERE> and do everything I'll need.

I bought a new 2016 Nissan Titan XD SL diesel. I have owned 3 previous Nissan vehicles over the past 17 years, and none of them have ever given me any trouble.

When Nissan announced the new Titan with the Cummins diesel, that was enough for me. Those two names rate very highly in my book.

The icing on the cake for me was the nationwide lifetime warranty I received on the powertrain.

I fully expect this truck to last me until I'm dead - which, based on the pontoon boat discussion will probably be sooner rather than later!
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Old 03-20-2017, 11:47 AM   #5
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For the price of a set of injectors on a modern diesel (some say 100,000 miles), you can buy an entire gas engine.

Someone made a post on here that he manages a fleet for local government. Zero problems with the gas F250/F350 with many having 200,000+ on them. While the diesels....3 broken down needing new engines, many requiring thousands in repairs, etc etc.

Diesels were great before 2002. Unless I'm hauling for a living, gas all the way.

I've pulled 25k behind a gas 454 1 ton. Sure it wasn't fast, but once up to speed, no problems on the level. I wish GM still had a big block. Anybody selling an 8.1 truck?
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Old 03-20-2017, 11:50 AM   #6
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I think its all a trade off. Either will tow your boat just fine. Both will probably last 300k without any major problems. Gas is cheaper, maintenance is less, but, will get less MPG. Diesel, just the opposite with better MPG. I have a gas, and it suits me perfect, and I put 30k-40k mi on a veh per year. For pulling, nothing beats a diesel. Hard to go wrong with either, get what you think you prefer, or can get the best deal on....Best of luck.
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Old 03-20-2017, 12:30 PM   #7
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this is what you need to do. borrow, rent or steal them if needed

see if you can get your hands on a newer truck in gas and hook to the boat and go for a drive, interstate through hills, and stop and go type traffic. get your hands on a diesel in the year range you specified and do the same. compare the towing experience in those conditions and make the best decision for you.

that being said, the maintanance on a diesel is not as expensive as everyone claims. yes cost up front is more but when you sell, you recoup that so its basically a wash just dealing with bigger numbers. the modern diesels are not going through injectors like mentioned above.

the big factor for me is fuel milage while towing compared to distance. so for a 20 mile tow, gasser would work. for a 300 mile tow at 7-8 mpg is gonna suck real bad. but not as bad as 12-14mpg for 300 miles. the diesel is going to get better mpg all the way around.
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Old 03-20-2017, 12:30 PM   #8
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I've pulled 25k behind a gas 454 1 ton. Sure it wasn't fast, but once up to speed, no problems on the level

I have to call bullshit
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Old 03-20-2017, 12:31 PM   #9
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For the price of a set of injectors on a modern diesel (some say 100,000 miles), you can buy an entire gas engine.

Someone made a post on here that he manages a fleet for local government. Zero problems with the gas F250/F350 with many having 200,000+ on them. While the diesels....3 broken down needing new engines, many requiring thousands in repairs, etc etc.

Diesels were great before 2002. Unless I'm hauling for a living, gas all the way.

I've pulled 25k behind a gas 454 1 ton. Sure it wasn't fast, but once up to speed, no problems on the level. I wish GM still had a big block. Anybody selling an 8.1 truck?
they also lacked the power of a modern day diesel. your also going on a post mentioned by someone else. alot of hear say! not really a reliable source
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Old 03-20-2017, 12:32 PM   #10
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this is what you need to do. borrow, rent or steal them if needed

see if you can get your hands on a newer truck in gas and hook to the boat and go for a drive, interstate through hills, and stop and go type traffic. get your hands on a diesel in the year range you specified and do the same. compare the towing experience in those conditions and make the best decision for you.

that being said, the maintanance on a diesel is not as expensive as everyone claims. yes cost up front is more but when you sell, you recoup that so its basically a wash just dealing with bigger numbers. the modern diesels are not going through injectors like mentioned above.

the big factor for me is fuel milage while towing compared to distance. so for a 20 mile tow, gasser would work. for a 300 mile tow at 7-8 mpg is gonna suck real bad. but not as bad as 12-14mpg for 300 miles. the diesel is going to get better mpg all the way around.
I would love to do that. I may see if the dealer that we use for fleet vehicles will let me do that. Also, the fuel mileage for me is a point I need to consider. We split money on the fishing trips. 600 miles roundtrip at 7 mpg is going to cost more than 12mpg even with the cost of diesel. Also, I could add a mild tune to the diesel to up the mpg.
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Old 03-20-2017, 01:12 PM   #11
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I would love to do that. I may see if the dealer that we use for fleet vehicles will let me do that. Also, the fuel mileage for me is a point I need to consider. We split money on the fishing trips. 600 miles roundtrip at 7 mpg is going to cost more than 12mpg even with the cost of diesel. Also, I could add a mild tune to the diesel to up the mpg.
i like to keep as much money in my pocket as much as possible and will do the best i can to not feed it to a fuel pump, even if splitting amongst the group. as i mentioned in another post, my 03 duramax is tuned and i average 19mg in city. i have hauled our cattle trailer with approx 13k lbs and still averaged 14mpg in rural/city
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Old 03-20-2017, 01:14 PM   #12
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I have to call bullshit
going to have to 2nd this motion! he may have pulled it 20ft to put it in the barn. couldnt pull any farther than that. weakest link would be not a big enough fuel tank! lol
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Old 03-20-2017, 04:47 PM   #13
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Originally Posted by cwhite6 View Post
I really appreciate all of the input on the gas motor options in my other thread. So, I have one more question and I will quit bugging ya'll.

I may be getting a new (maybe to me) truck. I understand the points about if I only tow occasionally that the 6.2L Ford or 6.0L GMC motors will be fine. I have one more point that I would like input on.

This next truck will be a long time keeper. As in 12-15 year keeper potentially. I have two daughters that will need vehicles in the next 8 years (one in three years and one in 8) plus my wife's vehicle will need replacing in about 5 years. So, I will have this one a long time. Also, I could be potentially putting a ton (to me) of highway miles on this truck traveling around to different work locations in state. I could be putting as much as 30k a year on it. So, to me a diesel makes more sense for this as I have seen many, many diesel 3/4 tons with well over 300k on the clock.

I can get a late model (2014, 2015, or 2016) diesel truck with 50k or less on the clock equipped how I want it for about the same price as 2016 gas one with less than 20k on the clock. So, what says the THT braintrust?
I work with construction contractors who own pretty large fleets of trucks, some have more than 100. They used to run a lot of diesels until about 2005. After that they claim it doesn't make financial sense. They do a lot of heavy towing and put a lot of miles on their trucks.

If it made financial sense, they'd buy the diesel.

That said, I just wasted money on a new diesel canyon so it doesn't necessarily need to make sense. Buy what you enjoy.
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Old 03-20-2017, 05:05 PM   #14
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FWIW: My company used to buy "Loaded" 1500 (gas, obviously) Series Chevy Suburbans for "Company Cars." It got to the point where the 1500 Burb was as much money as a similarly equipped 2500HD DIESEL crew-cab. $60,000+ We're now all driving 2500HD/Crew Cab/DuraMax trucks.

Some of us do tow heavy enough that the 2500 is needed. ALL of us need the cargo capacity of a truck/canopy or Suburban-sized SUV.

Most of us average 30,000 miles annually.

We can drive the DuraMax/2500's to 100,000 miles and still get higher trade value than the gas/1500 Suburban at 65,000 miles. (remember, they cost about the same to start)

We've found the maintenance difference is minimal, given the interval on diesel vs gas. Fuel expense is marginally different, given the increased efficiency of towing/hauling with diesel vs gas. Most parts don't wear out as quickly on the 2500's (hubs, bearings, suspension, etc) so repair costs offset the minimum maintenance cost differential.
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Old 03-20-2017, 05:53 PM   #15
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Diesels will last a long time IF they are maintained, and that maintenance is more costly that for a gasoline engine. I have owned Ford 7.3s, 6.0s, and now a 6.7. I have also owned one Cummins 24 valve. All were good engines, even the 6.0s, but when they go down, it's big money. Would I buy a diesel because I want to own the truck for ten years? No. I would buy a diesel because I am asking more out of the truck than a comparable gasoline engine can provide.
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Old 03-20-2017, 07:07 PM   #16
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Originally Posted by cwhite6 View Post
My cat weighs between 8000 and 9000 pounds depending on the gas and crap in it. I do not want two trucks. Just one. When I do tow my cat, it is 300 miles on way.
There is your problem. 600 miles of driving to go fishing? You need to move or find a different hobby.
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Old 03-20-2017, 07:10 PM   #17
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Originally Posted by Nate5.0 View Post
I have to call bullshit
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Originally Posted by Rolandt03 View Post
going to have to 2nd this motion! he may have pulled it 20ft to put it in the barn. couldnt pull any farther than that. weakest link would be not a big enough fuel tank! lol
Actually, it was around 31k on the scales at the truck stop (including the truck). I probably still have the weigh slip. Texas to NC. Luckily it was flat. And about 4mpg LOL. Had to stop pretty often for fuel. Gooseneck trailer rated at 25.5k. It was slow getting up to speed, but I could do fine on the level...which is the route I took.

You guys forget that a mere 15 years ago, this is all we had to haul with!


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they also lacked the power of a modern day diesel. your also going on a post mentioned by someone else. alot of hear say! not really a reliable source
Well, read for yourself! Right here on THT. Tell me it's true.Tundra diesel 2017
"We have had exactly zero complete engine failures out of the 6.2 gas. We have had 4 6.4 [diesel] engines totally fail."
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Old 03-20-2017, 07:18 PM   #18
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I would say with the new diesel emission stuff it will be risky going that route. They can be unbelievably expensive to fix. You can get close to 300K if not more out of a gas engine.
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Old 03-20-2017, 07:24 PM   #19
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If you buy a diesel make sure it is pre 2011. In 2011 they made it law to have dpf filters on the trucks which reduce soot but they f up the whole engine and exhaust system. I have a 2017 F350 platinum and I like it but I highly doubt it will recah 300k miles untouched. The new gas engines are really good. My dad has a good sized farm and he runs all gas work trucks and they are pretty damn good. And the new gas ones tow as good as the diesels.
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Old 03-20-2017, 07:28 PM   #20
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FWIW: My company used to buy "Loaded" 1500 (gas, obviously) Series Chevy Suburbans for "Company Cars." It got to the point where the 1500 Burb was as much money as a similarly equipped 2500HD DIESEL crew-cab. $60,000+ We're now all driving 2500HD/Crew Cab/DuraMax trucks.

Some of us do tow heavy enough that the 2500 is needed. ALL of us need the cargo capacity of a truck/canopy or Suburban-sized SUV.

Most of us average 30,000 miles annually.

We can drive the DuraMax/2500's to 100,000 miles and still get higher trade value than the gas/1500 Suburban at 65,000 miles. (remember, they cost about the same to start)

We've found the maintenance difference is minimal, given the interval on diesel vs gas. Fuel expense is marginally different, given the increased efficiency of towing/hauling with diesel vs gas. Most parts don't wear out as quickly on the 2500's (hubs, bearings, suspension, etc) so repair costs offset the minimum maintenance cost differential.
Very true. The new Burbs and Yukon xl/Denali make my ltz duramax sticker look cheap. I bought the diesel because I want the lowest amount of depreciation possible and if I step up in boat size I'm covered. Guys are paying stupid money for these trucks with 150k on them. I tow 6k so a half ton gasser would've been fine for me. My truck was a pure want, not a need.
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