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"Go Titans!"
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Discussion Starter #1
I'm looking for a used '03 or '04 2500 4x4 Quad Cab w/ the Cummins engine. I drive a lot of hwy miles everyday to work. What kind of mpg can I realistically expect to get from this truck? I have an '03 2500 4x4 w/ the Hemi right now and I get an average of 14 mpg driving to and from work.

Thanks! :)
 

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with the 305/555 HO engine in the 2003's and 2004's, expect low 20's on the highway. They are the most efficient Common Rail trucks so far.
 

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HemiMagnum said:
with the 305/555 HO engine in the 2003's and 2004's, expect low 20's on the highway. They are the most efficient Common Rail trucks so far.

I can second that... I would say anywhere from 20-23 mpg depending on how you drive, and if you get a 6 shooter or the auto...
 

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"Go Titans!"
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Discussion Starter #4
Thanks y'all! I'm not sure whether I want a stick or auto. I guess I'll just see what's out there.
 

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Maybe you should get a Yuris, hahaha
 

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Christopher
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My 2004.5, (see bottom of sig below) with the 600 motor, got about 16 to 17 on the hiway @ 70 mph. The truck was completely stock except for running 285 BFG AT's instead of the stock 265's.

Christopher
 

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I get 19-20 mpg on the highway.
 

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Dodgezilla
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My heavily modded 03 got 17 city/ 22hwy

My new one has been getting about 15 mixed but mostly city driving. I can't wait till it breaks in...
 

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The 03 and 04 trucks with the 305/555 ratings seem to get better mileage than the later ones. My 04.5 with the 325/600 factory specs gets at best right at 19 mpg when I TRY to get mileage. I have never really tried to see what the city driving gets. I don't always get that mileage because it is so hard to keep my lead foot out of it. I have to really coach myself to drive for the mileage. These trucks are just too much fun! :rck:
 

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Lose the muffler, you wont have a cat to begin with, keep the speeds down, you should be able to run an average of upper teens overall. Did I mention keep the speeds down??? Over 65 and forgetaboutit, my sweet spot is about 57 mph, where I can sustain 22 over flat stretches.
 

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Got Torque??
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on the 04.5 I get 20.6 going 60 and thats with my toolbox fool of tools plus a crapload of crap in the bed. going 70 though my mileage drops to about 17. mixed city/highway/towing im averaging 16.5 but i do tow big ass trailers so yeah
 

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I can continuously get low to mid 17's during non-interstate romps around home. If I get a wild hair and flog the ol' CTD a bit, it will only drop to mid 16's as a rule.

If you can keep the engine around 2100--2200 rpm, you should be able to achieve low 20's a great percentage of the time. Auto's will do a tad better.

Drive up to KY and buy mine.....I've got 6.7L 350/650 fever.

Greg
 

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My best is 24.5mpg running right at 65mph. Hand calculated. Think I had a slight tailwind because of a cold front. Usually I get around 21-22mpg running at 70mph.

MikeyB
 

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All four of my Cummins powered 2500s got 18~ light city, 19~mpg hwy 70mph and 10.5~mpg towing 68mph.
 
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