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Old 11-29-2015, 10:13 AM
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Help me see the "savings" of diesel?

Hi guys, I've been running numbers every which way and looking at historical gas prices to try and find a savings. So far I'm not seeing that much of a savings in choosing the diesel vs. the V6. In looking at gas prices I'm seeing about a 30-55 cent premium for diesel, and if I figure the math at 20,000 miles per year, it's just about equal. Then, if I figure the additional diesel maintenance costs plus exhaust cleaner, now it's probably more expensive.

Originally I thought the diesel would be a massive winner, but on paper it's not. Am I missing something? Are diesel prices different at the current moment?

Next, if I compare the v6 vs the v8 over the course of a year and 20,000 miles. I figure it would cost me about $1000 more per year to run the V8 (worse case). So if the diesel and the V6 are about the same, why wouldn't I choose a little more and getting the v8.

Can you diesel guys help me figure this one out?

Thanks

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Old 11-29-2015, 10:40 AM
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Help me see the "savings" of diesel?

Diesel you buy only if you need towing power or you just want a diesel. the diesel fuel consumption is pretty flat when towing, with a gas you'd be burning way more loaded.

With the no charge diesel option it makes sense, I'd go with hemi otherwise.

The diesel gets you some stuff over the V6 gas like a stronger rear axle and different transmission.
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Old 11-29-2015, 10:50 AM
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If you're considering buying the diesel and you are the kind of buyer who wants to drive it "until the wheels fall off", then be sure to factor in the cost of a GDE tune because the stock emissions systems are likely to reduce the expected longevity of the diesel. The maximum length Mopar Maximum Care service contract that is available for a diesel is 8 years/120k miles, and I plan to operate my Jeep for far longer than that. Probably a good idea to factor the Max Care contract into the price too if you're planning to be a long-term owner.

As for buying a diesel for economic reasons, I would have been pissed had I done that. However, I'm a very happy diesel owner and would buy it again in a heartbeat. I bought mine for torque, range per tank, and the fact that I've always wanted a diesel.
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Old 11-29-2015, 10:58 AM
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Originally Posted by gsxr150 View Post
Hi guys, I've been running numbers every which way and looking at historical gas prices to try and find a savings. So far I'm not seeing that much of a savings in choosing the diesel vs. the V6. In looking at gas prices I'm seeing about a 30-55 cent premium for diesel, and if I figure the math at 20,000 miles per year, it's just about equal. Then, if I figure the additional diesel maintenance costs plus exhaust cleaner, now it's probably more expensive.

Originally I thought the diesel would be a massive winner, but on paper it's not. Am I missing something? Are diesel prices different at the current moment?

Next, if I compare the v6 vs the v8 over the course of a year and 20,000 miles. I figure it would cost me about $1000 more per year to run the V8 (worse case). So if the diesel and the V6 are about the same, why wouldn't I choose a little more and getting the v8.

Can you diesel guys help me figure this one out?

Thanks
What you may or may not save with the diesel can be very depenant on where you live. Diesel vs gas prices are all over the map depending on where you live. The best thing to do is what you did run the numbers in your area. That said not everyone buys the diesel for fuel cost some do it for towing or because they like the low end torque it has.
Concerning the v6 vs the v8, the v6 of course will give you some better mileage but the real world numbers dont have a significant difference. There are people who have owned the same year of both on here and have reported about a 2 mpg difference between the two. Car and driver managed 1 mpg in their mixed driving between the two. Individuals will be all over the map on this depending on their driving styles. I think the bigger consideration between those two is the up front cost, v8 is about 3.5k more depending. Personnely i have the v8 and would never consider anything else but everyone does have differing needs. In 2016 the v6 gets engine start/stop feature which will hopefully put some milage distance between the two, have not seen the figures for that yet. Probably be a good idea not to be a first taker on that new start/stop engine let them shake the bugs out first which its sure to have. Best to drive each one also and compare. Good luck
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Old 11-29-2015, 11:09 AM
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Re: Help me see the "savings" of diesel?

Thank you for the great replies gentlemen!! I think you nailed it...talking about towing. Someone who wants great economy and tows a lot would highly benefit.
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Old 11-29-2015, 01:08 PM
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Re: Help me see the "savings" of diesel?

I'll add to the equation. If you read Consumer Reports as your automotive bible then don't even buy the Jeep. However if you get past that kind of advice I can tell you from owning diesels and keeping them a long time 9 years min that maintenance is less. Fuel filter changes and oil changes is all I did to previous diesels running close to 200K miles. Also fuel prices are artificially low right now because of OPEC trying to run the frackers out of business. This might stay that way another year or so but when the real price of fuel comes out diesel and gas will rise to levels seen a few years ago or higher. 3.40 a gallon for gas compared to 3.80 a gallon for diesel really starts to show up in the pocketbook. I average 28-29 mpg and I know the 3.6 will most likely do 22 to 25 at best hemi 18-22 at best.
Also the diesel has extreme long range. I can go 700 miles before a fill up or more and that gives me options as to where to get fuel.

Regardless of which engine you choose the JGC is one of if not the best vehicle I have owned so far and I am at 33K miles.
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Old 11-29-2015, 02:04 PM
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Help me see the "savings" of diesel?

If you base your calculations solely upon fuel costs right now the time to recoup the investment price of the diesel engine & transmission over a gas engine is not practical. Two years ago when fuel was over four bucks a gallon, it was easy to recoup the cost of the diesel engine-15 months for the Hemi V8 and 39 months for the V6(and those numbers included oil changes and DEF fluid). Right now, driving a diesel is pretty much a want issue, with an nod given to those who drive lots of miles, and/or tow on a frequent basis. In all honesty, for most people the V-6 is adequate.


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Old 11-30-2015, 09:21 AM
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Re: Help me see the "savings" of diesel?

I had the v6 in a 2011 and drove it for 135,000 miles. I averaged 21-22 mpg. Trade it in on a 2014 diesel and have put 38,000 miles on it in first year averaging 28-29 mpg. I bought the diesel because I have a 22 foot travel trailer and it pulls it so much better the the v6 did. Oil change are every 10,000 miles, compared to every 5,000 on my 2011 V6. I bought discounted oil changes from the dealer when I bought the 2014. Also diesels usually have a higher resale value if you drive the miles I drive and trade up every 3-4 years. Had the new cat put on this jeep at 12,000 miles, but had the head replaced on my 2011 at 14,000 miles because of a factory defect. I will go diesel again. My wife's highlander needs to be refilled every 350 miles because of a small tank. She hates it when I tell her I average over 600 miles between refills.


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Old 11-30-2015, 12:29 PM
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Re: Help me see the "savings" of diesel?

One thing I've noticed is that diesel prices don't always track with the regular/mid/premium prices. Some stations near me sell diesel for just under or equal to regular, while some stations a couple miles away charge ~30 cents over the premium prices!?! That's where things like the gas buddy app and the SXM travellink earn their keep.

So in general, I pay the same or less than regular gas, get at least 5 more mpgs, and can go over 600 miles between fillups. Maintenance and DEF may add a little to the overall running costs, but I believe that diesel engines are generally much tougher and will outlive the average gas engine by tens of thousands of miles.

Oh, and I've got more torque than the Hemi. :-)
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Old 11-30-2015, 12:52 PM
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Re: Help me see the "savings" of diesel?

Diesel fuel prices go up in the winter when home heating oil (basically diesel fuel) adds to the demand when it gets cold up north. I like the diesel for driveability and range as much as the added torque for towing. I also didn't see if leather seats and the tech packages penciled out -- we just bought as many goodies as we were willing to pay.
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Old 11-30-2015, 05:45 PM
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Re: Help me see the "savings" of diesel?

In a day to day automobile for transportation, there is no such thing as an "investment". You pay to drive it....and it depreciates. End of story. Rent or buy, your choice.

You either like a diesel, or you don't.
You either need a diesel, or you don't.
You either worry about "savings" or you don't.
You either rent a car or buy it.

Any way you look at it, if a diesel suits you and/or your needs and you can afford it, you rent it/buy it.

In over 50 years of driving, I never rented basic transportation. Always bought and cared for them. And if I REALLY liked them, I've sometimes kept them for 10 to 15 years. But that is me......

If you have to worry about "savings", then perhaps you shouldn't buy one !
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Old 11-30-2015, 06:39 PM
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Re: Help me see the "savings" of diesel?

Here in CA, diesel is noticeably cheaper (10-20%) than gas for about half the year, and on-par with 87 or 89 octane the rest of the year.
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