Re: Dodge/Cummins late model mileage

Posted by jdemaris on March 30, 2007 at 12:40:14 from (66.218.18.199):

In Reply to: Dodge/Cummins late model mileage posted by fuel miser on March 30, 2007 at 07:18:47:

From what I've read and been told, there's a substantial drop in fuel-mileage with the 2007 Dodge Cummins and the Chevy Isuzu Duramax. I don't have any first-hand proof, though. My neighbor just traded in his 95 Dodge Cummins that was getting a consistent 18 MPG on the highway and he bought a new leftover 2006 with the 24 valve 5.9 and six-speed trans. Best MPG so far has been 21 MPG highway. I've spoken to several Duramax owners that can't better than 14 MPG - and some older Durmax owners who get 20 plus.
I've seen diesel priced a little bit less than reg. gas in parts of upper Michigan. Here in New York, diesel is usually the price of mid-octane gas - always more then reg.
In regard to overall savings? When these trucks get high miles on them, and are out of warranty, they are going to be incredibly expensive to fix - unlike the older diesels that are cheap to repair. With an older GM 6.2/6.5 or Ford 6.9/7.3 you can buy brand new injection nozzles for $6 apiece, a new water pump for $50, a rebuilt mechanical injection pump for $300, etc. Try pricing such things with a newer truck and you're in for a big surprise. I'm no math-wiz, and I'd never pay 20-40K for a truck that starts to wear, rot, and depreiciate as soon as I pay for it. But, seems to me - the only way buying a new diesel is close to cost-effective - is to work it , make money with it, and sell it before the warranty is gone.
If you're buying it - just because you want one - that's a different story - can't put a price on that. I've got over a dozen diesel trucks, but they are all mechanically injected, cheap and easy to work on - but I'm still able to DO that work myself. If I had to pay someone to do it, it would not be worth it.
GM, Ford, and Dodge/Cummimns are all coming out with new, small and light diesels for use in 1/2 trucks, SUVs, etc. I'm curious to see how it all works out. The diesel Jeep stuck into it's Liberty hardly got better mileage than a gas version due to all the new diesel emmissions regs.

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