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  1. #121
    Veteran Member
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    Deere, several

    Default Re: 2014 Jeep Grand Cherokee DIESEL

    Where is the advantage of using a light duty diesel when the cost per mile is the same if similar for gas and diesel?
    Why purchase a higher priced vehicle just to burn 15% less gallon of fuel that costs 15% more per gallon?
    Don't waste my time talking about durability or torque either.
    Lets think about diesel service costs for 200-300 thousand miles. Vs gasoline service costs.
    As for Power , GM makes a 184HP 2.4L direct injection gasser. An up coming 200+HP 2.5L gasser. A 300HP , 3.6L V6 gasser. Have not heard HP yet for the 4.3, 5.3 and 6.2L

  2. #122
    Super Star Member IslandTractor's Avatar
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    2007 Kioti DK40se HST, Woods BH

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    The Mazda 2.5 gasser puts out 154 HP and the same torque. Their diesel puts out 173hp and 310 lbs of torque. I'm not sure about the mpg differences in the cx5 or Mazda6 but I believe they are more than a 15% improvement over the lower powered gas engine. Still, with current diesel prices and recent advances in gas engines, the economics need to be carefully considered. If diesel ever returns to the same price as gas, it won't take long to show the economic benefits.

  3. #123
    Super Member crazyal's Avatar
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    Northern Vermont

    Default Re: 2014 Jeep Grand Cherokee DIESEL

    The best I can do to answer that question is Australian math for the AWD CX-5. Using the numbers converted from metric this is what you get. The gas engine they sell is a gas 2.0 that gets 34 mpg (the US version is listed at 31 mpg) and a 2.2 diesel that gets 41.3 mpg. The numbers for the 2.0 are 150 hp @ 6000 rpm and 148 lbs @ 4000 rpm and the 2.2 is 173 hp @ 4500 rpm and 310 lbs @ 2000 rpm. So the diesel doesn't rev as high as the gas engine but still revs pretty high. The gas engine needs to be revved up a lot to make it's peak torque while the diesel doesn't. Being an aluminum block diesel you don't have much of a weight penalty. So the diesel should feel like a more powerful engine. The CX-5 has a 15 gallon tank.

    So now the math. Assuming that gas is 50 cents a gallon cheaper and is selling for $3.80 a gallon here it'll cost $57 to fill it and you could expect a range of 510 miles. The diesel will cost $64.50 to fill it and go a range of 620 miles. That's an extra 110 miles, that will cost you an extra $12.35 in gas to get that range or a savings of almost $5 per tank. To go 1000 miles in the diesel it'll cost you $104 while the gas engine would cost you $112. If all other engine maintenance costs are the same that would be $800 per 100k miles savings. It would take about 300k miles to offset the cost of the diesel. Doesn't sound worth it does it.

    But here's where things get fuzzy. If you test drive the 2.0 gas engine and find it's a dog while the diesel has enough power then you would rule out the 2.0 gas CX-4. The 2.5 gas CX-5 gets 30 mpg (184 hp @ 5700 rpm, 185 lb-ft @ 3250 rpm), that's So lets say you are also looking at the Rav4 with it's 2.5 engine (176 hp @ 6000 rpm, 172 lb.-ft. @ 4100 rpm). It gets 29 mpg in AWD. That's now $131 per 1000 miles. That means the diesel would save you $2700 over 100k miles for the Rav4 and $2270 for the 2.5 CX-5, or about the cost of the diesel engine option. All of a sudden the diesel starts to make sense. If your drive allows you to take full advantage of that extra torque then it should be possible to get an even larger difference in mpg. if you plan on putting lots of mileage on the SUV then you can save money. If you figure in that the used price for a diesel should be about $1000k higher also means it'll help make justifying the diesel worthy. If gas drops to $3 a gallon while diesel only drops to $4 a gallon then you are not going to save.

    So the answer is maybe. For some the diesel isn't enough of a savings but for others it could mean $1000 or more. If the extra torque of the diesel is really noticeable and you want it then saving money is secondary.
    Kubota L4240,Case 580K backhoe, Case 450 Dozer

  4. #124
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    Emerald Park, Sk
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    Default Re: 2014 Jeep Grand Cherokee DIESEL

    After reading all these posts and having owned 3 V8 Grand Cherokees I have decided to sell my 2011 Mustang convertble,
    keep my 2011 Ford F150 ecoboost 4x4 and add a 2013 Nissan Pathfinder 4x4 to my garage. I have owned 2 vehicles with cvts and really liked them.(esp a murano to pull a 6x12 enclosed trailer containing a Honda GoldWing
    from Canada to Yuma, AZ for the winter). All my Jeeps had Transmission or transfer case problems.

    Harvey
    Last edited by Wheels2; 03-09-2013 at 10:02 AM.

  5. #125
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    Enfield, CT
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    Mahindra MAX 22

    Default Re: 2014 Jeep Grand Cherokee DIESEL

    Wheels, i know nothing about the new pathfinders, but i know there was a HUGE issue with trans failures thru 2010-2011? did they fix it... i think the problem was radiator side tanks cracking and letting coolant into the trans fluid?


    edit: i see they went to be a crossover and a CVT...
    Last edited by Viperdave; 03-12-2013 at 09:33 AM.

  6. #126
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    Default Re: 2014 Jeep Grand Cherokee DIESEL

    Quote Originally Posted by Viperdave View Post
    Wheels, i know nothing about the new pathfinders, but i know there was a HUGE issue with trans failures thru 2010-2011? did they fix it... i think the problem was radiator side tanks cracking and letting coolant into the trans fluid?


    edit: i see they went to be a crossover and a CVT...
    You are right on about the problems they had (I think they had a big recall over that) and also about the new crossover with the cvt. I test drove a couple of 2013s and they feel like a jacked up Maxima. It also has a tow rating of 5000 lbs. My Murano had a cvt and it was a great vehicle.

    Harvey

  7. #127
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    John Deere 1070

    Default Re: 2014 Jeep Grand Cherokee DIESEL

    This is news to me, I though only Honda used cvt's. Shows how current my knowledge is on new vehicles.

  8. #128
    Super Star Member Diamondpilot's Avatar
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    Quote Originally Posted by mikehaugen View Post
    This is news to me, I though only Honda used cvt's. Shows how current my knowledge is on new vehicles.
    Many use CVT's. Even some Ford's an Lincoln's like the LS. That goes back about 15 years.

    Chris

  9. #129
    HHR
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    I drove the 2013 Pathfinder and liked it. Nissan got the CVT right this time around. I will seriously consider one when it comes time to replace my much loved Ford Freestyle (that has a CVT tranny).

  10. #130
    Super Star Member Diamondpilot's Avatar
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    Quote Originally Posted by HHR View Post
    I drove the 2013 Pathfinder and liked it. Nissan got the CVT right this time around. I will seriously consider one when it comes time to replace my much loved Ford Freestyle (that has a CVT tranny).
    My sister had a Lincoln LS followed by a Freestyle. Not a single issue with either. She then got a Explorer followed by her current Expedition XL.

    She does 36 month leases.

    Chris

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