Dodge 2500 5.7 fuel economy

M Nut

Well-known Member
With the family now at 4, I'm going to be needing to find a pickup that all can ride in. I only have a standard cab now. Anyway, I found a 2003 4 door 2500 Dodge with a 5.7, and if I buy it, I would end up driving it to my day job that is 25 miles from home each day. Any thoughts as to what kind of fuel economy to expect? It's level, single lane roads, 55 mph.
I could get by with a 1/2 ton, but a 3/4 would be nice for the farm too.
 
M Nut I had a 2006 5.7 Hemi 2500 and I got 10.5 everywhere. Driving around town, on hiway or pulling my 12,000lb camper. Mike
 
A former coworker of mine had one and he got 14 MPG and that was mostly hwy. Half ton, That was the 5.7.

The V10 gets 10mpg if yer lucky. Yowsers........Thats expensive.
 
I will get 18 m.p.g. with my 2003 5.7 3.55 rear end 4 door short bed 1/2 ton on trip like that,9-10 m.p.g. pulling my 26ft. 5th. wheel 7,000 # camper to California and back. Mike in Indiana
 
We have an 04 with the 5.7 hemi and get about 16 if you drive reasonable, about 11 with an empty 24 gooseneck and down from there.
 
Thanks guys. Think I'll put some serious thought into finding a cheaper 4 door truck and keeping my Chevy Impala for driving to work. (I was going to trade that on a 4 door pickup) My current standard cab pickup was given to me by my grandpa, so I won't sell it anyway.
Bottom line, I can't go from 30 mpg to 10 mpg and not have a serious increase in my gas bill.
 
Mines a 2005 quad with the 5.7 and averages 16-17 depends on alot, wind,driving style, hiway or city driving, etc. Bottom line is it will always take so many horsepower to move so much weight. If one guy says his dodge gets 34 mpg and the next says his gets 2 mpg they are probably both lying, however it is always easier to get worse gas mileage.
 
I"ve got a 2004 2500 w/5.7 hemi, 4wd, 4.10 gearing, qc, automatic, long bed. (Also own a 2003 2500 Cummins HO diesel, qc, sort bed, 4wd, auto)

The "04 gets about 12mpg average with some city driving, some highway. Set the cruise @ 65, on a flat highway, with no load, 16-1/2mpg best it"s ever done. Loaded trailer behind it, average mpg is around 7. (9,000 to 10,000 trailer/cargo weight)

The diesel does better, especially so when loaded, but initial cost, cost of routine maint, ect, and it"s pretty much a wash as to which is "cheaper". Both are used in a business. VERY detailed milage expense records kept. Cost of owning/Operating cost over 100,000 is with-in pennies between the pair.

All things equal, I"d rather do my every day driving the gasser.
 
If you look at a 2nd Generation Dodge Ram with a 5.9 Cummins, your looking at mid to upper 20 mpg.

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Yeah, but you have to factor in the mileage of the tow vehicle too.
 

What it all boils down to, if miles per gallon is at the top of the list, don't buy a truck for every day transportation needs.
 
Yep, you're right. I'm going to keep my Impala for every day driving, and buy a little cheaper truck outright with no trade in to use on weekends for farming.
 

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