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  #13  
Old 12-01-2015, 02:28 PM
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Re: Help me see the "savings" of diesel?

For a 4x4 version, gas mpg is 20% lower than diesel, based on the mpg.gov site info; 19 mpg vs 24 mpg. However, diesel has been traditionally 10% higher but these days that is not the case.

Letting ur miles = 20,000, and diesel fuel cost vary from $2.20-$5.20/gal ($2-$5 for gas), the diesel saves one from $300-$700/yr. If you just need a 4x4 w/o heavier towing ability or better performance but get in at lowest cost, then the 3.6l is for you. Low chance fuel savings give you a ROI to make the diesel total lower cost to own. If you are a performance + economy guy, then diesel is for you. Easier to get better performance from the turbo diesel. Oil changes & fuel filter changes are more expensive, but I don't think I'd spend $300 more per year. Oil is 8 quarts & only gets changed every 10k miles for diesel but not sure about the gas burners.

I ran those very calculations but it was against keeping a 2003 5.4l Expedition @ 13.5 mpg and also getting a 38 mpg diesel Golf or Jetta. I would only drive the Expy for 5k mi during hunting season. However, the poor mileage of the Expy + extra vehicle insurance + tags + having an extra vehicle to jack with made me choose selling the Expy and getting the diesel JGC. There was a $10k difference in vehicle cost too to think about but I keep my trucks 10+ years. It wasn't a complete cost decision, but it was pretty darn close.

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  #14  
Old 12-02-2015, 01:26 AM
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Re: Help me see the "savings" of diesel?

I am a diesel addict. I tell my friends about it if they ask and they can't believe the fuel economy. But, I don't push diesels to people who want to save money. They cost more initially, maintenance and fuel related issues can cost way more than gasser counterparts. There are a lot of nuances to owning a diesel.
But, when you drive it I think you'll have a hard time going to a high revving engine again. It's just effortless and I truly smile at the pump.
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Old 12-02-2015, 03:48 AM
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Re: Help me see the "savings" of diesel?

From a strictly economic standpoint I could never justify the additional cost of buying the diesel when I was looking to replace my 2000 WJ - it's almost a $15000 option (Base Laredo vs Limited ~$8000, Diesel option $4500, mandatory Luxury Option Package II $2000).

$15000 buys an awful lot of fuel...

That said, I paid my monies and I couldn't be happier with my decision to buy the diesel.

The fuel economy on this engine is phenomenal for a vehicle this heavy. I'm averaging 24.5-26 mpg city and 28-30 open highway with the 4X4. Towing my Airstream, I'm averaging around 16.5 mpg overall, which is double the 8-8.5 I was getting with the 4.7L WJ. This is an ideal low to mid-weight tow vehicle.

I bought it for its towing capabilities; at some point (probably 10 years out or so) the fuel savings may actually pay for the engine premium. I doubt it, but I don't care.

I'm too busy trying to justify a GDE tune...
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  #16  
Old 12-02-2015, 08:48 AM
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Quote:
Originally Posted by Halfdeaf View Post
From a strictly economic standpoint I could never justify the additional cost of buying the diesel when I was looking to replace my 2000 WJ - it's almost a $15000 option (Base Laredo vs Limited ~$8000, Diesel option $4500, mandatory Luxury Option Package II $2000).

$15000 buys an awful lot of fuel...

That said, I paid my monies and I couldn't be happier with my decision to buy the diesel.

The fuel economy on this engine is phenomenal for a vehicle this heavy. I'm averaging 24.5-26 mpg city and 28-30 open highway with the 4X4. Towing my Airstream, I'm averaging around 16.5 mpg overall, which is double the 8-8.5 I was getting with the 4.7L WJ. This is an ideal low to mid-weight tow vehicle.

I bought it for its towing capabilities; at some point (probably 10 years out or so) the fuel savings may actually pay for the engine premium. I doubt it, but I don't care.

I'm too busy trying to justify a GDE tune...
I haven't seen it yet on the Grand Cherokee, but in all my previous Diesel vehicles, they hold their value better than their gas counterpart.
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  #17  
Old 12-02-2015, 01:09 PM
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Re: Help me see the "savings" of diesel?

Diesel option is 4500. Not 15K of add ons.
Life expectancy, fuel mileage, towing capability all exceed the gas engines but it is all what you want in life.
I don't buy a vehicle based on economics or I would never buy a Jeep I would be one of the Toyota, Honda people.
The other thing that is never mentioned and I see this with other marques like BMW is the soul of the vehicle.
My diesel has soul and a connection with me.
Can't say that with other vehicles I own such as a Ford 500 Subaru Outback.
How do you measure pleasure driving the vehicle?
I have yet to see that. I greatly enjoyed my Porsche and it had soul as well but it was not reliable and leaked oil all the time.

They replaced the CAT on my diesel that is all I have had done in 33K miles of getting 28-29 mpg which is as good as or better than my BMW 335...
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Old 12-02-2015, 01:38 PM
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Quote:
Originally Posted by fun2drive View Post
Life expectancy, fuel mileage, towing capability all exceed the gas engines but it is all what you want in life.
I would caution that the "life expectancy" aspect has yet to be proved with this diesel, given all the horrible systems forced on it by the EPA. Hell, just look at the somewhat prevalent SCR cat issue that has cropped up in under 2 years of ownership.

Of course, if one were to get a tune that disabled EGR and perhaps deleted the DPF/SCR... oh, and if one added a catch can to mitigate the nasty PCV... then I'm guessing this diesel would live up to the reputation of long-term reliability.

In the meantime, one can just budget for Max Care, the GDE tune, and a catch can.
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Old 12-02-2015, 03:08 PM
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Re: Help me see the "savings" of diesel?

There is the breakeven over year calculation where it takes many years before the diesel will save you in $ on fuel over that term (much longer compared to a v6) - especially if you do not need it's power (i.e. towing or hauling it loaded with people and gear). However if you sell it - diesels usually command their price difference over the gas models as they are rarer models and there are a lot of used diesel buyers out there. I sold my previous WK diesel for about $4k more than I could have it had the Hemi. I had people contact me from 1,000 of miles away as well wanting to buy it sight unseen for my asking price.
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  #20  
Old 12-04-2015, 01:00 AM
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Re: Help me see the "savings" of diesel?

Quote:
Originally Posted by fun2drive View Post
Diesel option is 4500. Not 15K of add ons.
The diesel may be a $4500 option if you are planning to buy an Overland anyway, but if you want to drop one into a Laredo, you're out of luck; you need to upgrade to a Limited, which is an $8000 "add on". Then, once you opt for the diesel option @ $4500, you also have to accept the "Luxury Option II package" for $2000... [This may have changed since the 2014 MY.]

Still likin' mine - great tow vehicle!
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  #21  
Old 12-04-2015, 06:06 AM
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Re: Help me see the "savings" of diesel?

If I had to pay 4500 for the diesel over the hemi would have got the hemi. Didn't find the v6 had enough go for my liking on numerous test drives and transmission was less refined. I think on a purely driving factor I would have enjoyed the v8 just a bit more. But the diesel is a fantastic balance of power, fun, and fuel economy.

We had a free diesel promo in Canada so it made sense as diesel/gas is usually pretty similar year over year.
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  #22  
Old 12-04-2015, 10:30 AM
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Re: Help me see the "savings" of diesel?

I still don't understand why people think the diesel needs to "justify the extra cost" or "earn it back" but then buy the Hemi with no such expectation?

Look, the diesel is simply another option, it has a lot going for it OTHER THAN fuel economy. I don't tow, but I didn't buy it for "saving money" either. I looked at it as a better engine than the V6 w/o the expense and fuel consumption of the V8. Sort of a middle ground.

I absolutely love mine, but never bought it expecting the diesel to "pay me back".
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  #23  
Old 12-04-2015, 11:00 AM
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Re: Help me see the "savings" of diesel?

I'm getting 23 mpg city and about 32 highway. The torque and performance and ride combined, I totally love it. It's my first diesel. I was getting 15 to 17 mpg with my gas grand cherokee. So. Yes I am pleased with the diesel.
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  #24  
Old 12-04-2015, 03:01 PM
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Re: Help me see the "savings" of diesel?

A diesel is a premium option for almost all categories with exception of G Class SUVs where it's the base engine and you have to opt for a gas v8. When UofMich did a study of diesel payback with ownership or selling after 3 year period this vehicle had the highest return than any other diesel / gas with the Dodge 2500 with Cummins the lowest (Cummins motors get shitty mileage - on par with the gas v8s).
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