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View Full Version : Diesel vs Gas cost of ownership


tacoma200
05-28-2007, 03:17 AM
I was just wondering. Say you buy two identical trucks only one has a diesel and cost say $6,000 more at start up. counting maintenance, fuel, etc what would it cost to run each 200,000 miles? What would the savings be at that point? 300,00 miles (if the gas model makes it)? At what point would the diesel pay for its self and start returning your investment?

stangman35
06-02-2007, 02:12 AM
If you had a late model diesel you wouldnt even be asking the question.

At 300,000 at current fuel prices you would save about $40,000 in fuel cost.
Big block 12mpg
diesel 20mpg

If I can help it I'll never buy another gas truck.

I had a 2006 dodge quad cab cummins,awesome truck

Right now I have a 2006 ford crew cab lariat dually diesel,6.0 so far pretty sweet truck,480hp 900 ft lb torq:weightlifter:

Go Diesel,no regrets

JTF40
06-02-2007, 07:22 AM
.......480 H.P. - 900 lbs.ft. of torque? NOT !!!!!!!!!

You must have bought this truck from a USED CAR salesman.

stangman35
06-02-2007, 10:30 AM
Its not stock,think before you type:rolleyes:

RedWingsDet
06-03-2007, 02:25 AM
I did this last week... Here is what I found. However, I considered both gas prices the same, just different mileage.

Chevy 4500 with a 8.1 would get 6mpg
Chevy 4500 with a diesel would get 9mpg

Fuel for both would be $3.50.

Lets just consider this for 100k miles to make it simple.

At 100k miles with the Gasser you would use 16,666 Gallons, which would cost $58,400 per 100k miles.

At 100k miles with the Diesel you would use 11,111 Gallons, which would cost $38,888 per 100k miles.

So per 100k miles you would save almost $20k per 100k miles.

So if you put 50k on or so per year this is a huge savings. I was about to buy the gasser but once I did the math it changed my mind.

However you must consider the extra maintenance in a diesel such as more oil, but less intervals, fuel filters, glow plugs, etc. But you will still save ALOT more money with a diesel, especially with the bigger medium duty trucks.

Hope this helps.

NewWave
06-03-2007, 05:54 PM
Diesel. Hands down. All new vehicles added will be diesel. We still have one of our first trucks in service. 1994 Chevy 3500 diesel. 315k miles and still going. We are gonna run it until it quits running.

grassmanak
06-03-2007, 06:07 PM
ive been calculating the costs here as well lately, looking at 04-05 duramax crew cabs. Original cost would be about 3-4K more for a duramax engine. i will currently save 20.00 at the pump alone each time i fill up, not counting the better gas milage. The is an easy choice to fill for me. The diesel will be worth a lot more when you sell it as well.

LTDLawnCare
06-03-2007, 08:46 PM
I have an 95 NPR with 267,000 that gets about 16 mpg.

ed2hess
06-03-2007, 09:17 PM
ive been calculating the costs here as well lately, looking at 04-05 duramax crew cabs. Original cost would be about 3-4K more for a duramax engine. i will currently save 20.00 at the pump alone each time i fill up, not counting the better gas milage. The is an easy choice to fill for me. The diesel will be worth a lot more when you sell it as well.

We got rid of 2 big ford 6mpg gassers and got 2 chev diesel with crew cabs and won't go back to gas. We expect these units to run over 300K. The chev is so much quieter than the ford and cost us less.

lawn king
06-04-2007, 08:21 AM
We are running international,isuzu and kubota diesels. They are all great, the kubotas are very quiet.

mdlwn1
06-20-2007, 06:16 PM
02 gmc/isuzu 4500...If you primarily cut grass, haul mulch, leaves, and drive less that 15,000 miles per year gas was cheaper.

pclawncare
06-20-2007, 11:50 PM
Question to all of you diesel guys out there. With the price of diesel engine options comming close to 7 or 8 grand up front i am just wondering what all of you all think about the new low sulfer diesel? I have talked to a couple diesel mechanics and it has been the general consinsis(spell) that the new diesel engines probably wont last much over 200,000 mi because according to them the sulfer in the fuel is a very important part to lubricating the engine. Just wondering if anyone else has herd this? If this is true i am buying gas because i can get a gas to last 200,000 why pay an extra 8 grand

hosejockey2002
06-22-2007, 01:21 AM
The gas vs. diesel debate had been around forever, it seems. You just have to look at the numbers, crunch them and decide for yourself. I love diesel engines. I've driven fire trucks, dump trucks, semis, buses and every other imagineable vehicle with diesels and I love them. My tractor has a diesel, and I wouldn't even CONSIDER a tractor with a gas engine.
However, I bought a gas truck, and I don't regret it for a minute. Why? First of all, I only drive my truck around 8K per year. My business is a second job, so I'm not running every day. My truck is a work truck, not a daily driver. I don't use it to pull my camper or boat on the weekends, I use it for my business, that's it. Second, when I bought my truck, considering the available incentives at the time, a comparable diesel truck was $10,000 more. I'll be retired by the time I would save $10K in fuel costs. Resale value? Sure the diesel will be worth more when you sell it, but it costs more to begin with, and will cost you more to maintain. If you want to buy something with good resale, consider mutual funds.

Now, before I get flamed, if I drove my truck 25K a year, or used it as a weekend warrior to drag my 35' fifth wheel or a big boat around the state, I would have bought the diesel in a heartbeat. Or, if I regularly towed more than 10,000 lbs. in my business I'd have a diesel, but something larger than a pickup, like a C5500 series or F550.

lawnspecialties
06-22-2007, 07:53 AM
Well, I hate to say it but I must slightly disagree with the consensus here. I have both. My F-250 6.0L gets around 12 mpg in town with it's trailer. My F-150 4.6L gets around 11 mpg in town with it's trailer. Now when you consider the additional cost of the diesel and add other things like 15 qt. oil changes compared to 6 qts. for the gas engine, I think the gas engine would be cheaper. Of course, if you haul heavy stuff or if you keep a truck for 200,000 plus miles, then obviously that would change things a little.:)