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Dodge Ram Real World MPG Numbers

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  • llvalllval Posts: 1
    Have a 2010 Dodge Ram 2500 turbo diesel. Initially got slightly over 20 MPG interstate highway, & 10 MPG towing. When I inquired about towing mileage, was told it would increase after ca. 30K miles. Somewhere after ca. 10K miles, highway MPG dropped by 20% [to ca. 16MPG], & towing MPG dropped to ca. 7.5. Do not believe this is characteristic of the Cummins engine. Had the truck to 2 different dealers and they find nothing wrong. Trying to get a response frim Chrysler.
  • sectionviiisectionviii Posts: 4
    edited January 2011
    I get around 13.1MPG calculated manually and EVIC tells me 13.3MPG.

    98% City / 2% Highway
    5.7 HEMI
    3.55 ratio

    Time for 2nd Oil Change (6020 on Odo with change oil message). Been using 89 Octane as recommended in manual. Mostly "generic" gas. Towed 5 times but each time towing ~800-1200 lbs.
  • cobrazeracobrazera Posts: 352
    City mileage is horrible with the HEMI, IMO it's, because with all the stop and go I'll bet it it seldom goes into 4 cylinder mode. My suburban driving, with an '09,equipped just like yours, is a tad less than 16MPG - and that's with being very careful all the time: gradual accelerations, lots of coasting to stops, etc.
    Use the HEMI power and the MPG drops a bunch. The cylinder deactivation does help, but a light throttle and probably at least 40MPH is required for it to work. If anyone knows for sure when these things go into 4 cylinder mode - please share. I do know that once into MDS, it will downshift under light loading rather than go back to 8 cylinders. Just my $.02...Richard
  • I believe the HEMI MDS (2006 and newer models) works betweeen approx: 40 mph to 60 mph (+or-).

    You can feel in going into MDS because between these speeds the engine lugs a bit and the RPM's drop. You have to push down on the gas peddle to pop it out of it. Most drivers probably wont even notice it but I can.

    Dodge doesnt put out a lot about their MDS (not sure why) because a lot of people ask this same question. You'd think it would be all over the place, again, not sure why not since its a nice benefit for a large engine.

    p.s. You get your best mileage between 40 mph & 60 mph anyway. Below 40 mph you are using gas to get up to speed and over 60 mph you are working against wind resistance.
  • cobrazeracobrazera Posts: 352
    My son has a Honda Odyssey with MDS, and the Honda has a light that activates to show when it's running on less than 6 cylinders. How hard would it be for Dodge to do the same - or put it in the info center right in the middle of the instruments?
  • I also have a 2010 2500 HD Cummins. Auto/4:10 4X4. It is sad that they get poor mpg. It is not necessarily the Cummins, which has the capability of way better, but the EPA and chryslers programing. I bought a monster and one "COMPUTER UPGRADE" at the dealership and all was lost! Their claim is that it operates within normal parameters. I contacted Chrysler customer support {if you can call it that} and they pretty much blew me off. They said I was stuck with it and it couldn"t be reprogrammed back to default settings.
    I went from 17 to 15.5 mpg average. I calculate miles driven divided by gallons, NOT the mpg indicator on the dash, also called the LIE-O-METER. I was told when it breaks in it will improve but 36K later it has not. I am a heavy duty sales rep and drive ALOT. I call on many diesel engine builders and they saythat the tolerances are built into the engine. They are what they are, and from that point on it is wear. A break in period is no more than 5K miles to SEAT the moving parts together' IE: rings/cam etc. The main culprit of fuel economy is the Diesel Particulate Filter, or DPF. There is a sensor before and after it. When the DPF starts to get congested the sensors send a signal to the ECM and the injectors activate on the exhaust stroke sending raw fuel into the exhaust stream. This increases EGT's and cleans out the DPF. Unfortunatly it also contaminates your oil at the same time. I have watched this very carefully and paid close attention to the way it seems to operate. This is my experience.---You probably sometimes notice a HOT smell near the rear of the vehicle if you happen to stop while the RE-GEN is in progress. You also probably also notice the aforementioned LIE-O-METER make a drastic reduction in the instant MPG reading. This regeneration,as it is called, at least in my vehice lasts 15 minutes at speeds over 40 mph almost to the second and happens every 1.5 to 2.5 hours of operation depending on the topography of the area and driving conditions at the time. I happen to do my driving in western Washington state in the Puget Sound region. This one operation consumes ALOT of fuel! I have been told between 4 and 5 gallons per tank. Next time you fill up subtract that from gallons delivered into your tank and divide it into the mikes driven and that is what you could get. Another culprit is the EGR. It sends between 5 and 30% of exhaust,- HOT- gasses BACK into the air intake stream. That is SOOT! Raw carbon, one of the hardest substances known to man being sucked right into your engine. Take that cross-over tube that is in front of the engine off and have a good look! I have done oil analysis and found that the it shows signs of soot contamination at around 4500 miles. I change mine at 4000 because of that. Personally I use 76 GUARDOL and a BALDWIN BT7349 filter. This is also HOT air. We all know that more efficient combustion happens with cooler air. Thats why we buy cold air intake systems and have intercoolers! Dont believe the claims of these so-called tuners. They will give you more power at the cost of your injectors, and maybe a little better mpg. They trick the lie-o-meter to showing fantastic readings. I have also learned that all injectors are NOT all the same. They do not all have the exact same pattern or flow. I understand they can be blueprinted which is said to have favorable results. These are my findings. If I am wrong and you are a professional, by all means, let me know. I do like the rig and plan on having it for a long time and want to take the best care of it that I can. FRENCHY5
  • ern61ern61 Posts: 1
    Just drove a new 2010 dodge 1500 5.7 in suburban streets mds was kicking in at 30 mph cruising on highway 70 mph cruise.I drove chevy,ford and now the dodge.Ford felt loose and cheap inside,chevy has no torque and small crew cab,I am going with dodge and its proven 5.7,I have seen posts of people getting over 20 mpg.The ride is great,big inside a crew cab,only downside is 5.7feet box.Ford is more money and their engines are brand new
  • tmaktmak Posts: 6
    edited February 2011
    I have had this vehicle since AUG it was a Dealer retired DEMO with 3K miles I now have 14255 Miles and my AVG MPG is still at 16.43 (manually Calculated) on higways I get 16.7 MPG in City I get 12 MPG. If I hit a small upgrade on the Higway, forget it I lose power and mileage dips at 14 MPG (according to my CPU display).

    Oh by the way I am not towing.. Not too pleasing. my dealer says I am not to expect much because of the high alttudes in SLC, UT. I can't beleive that. I use 91 Octane to get these Fuel mileage. 85 Octane kills my power and I use more fuel driving. I don't have a heavy foot and I believe let the power and torque do the driving but I have to stay at 70 MPH to keep that power and momentum going when I hit an upgrade on the highway, in the city forgrt it no power and torque 2500 RPMs just to maintain.

    I got rid of my Chevy 2500 Duramax because of fuel mileage (16.7 MPG) went gas and I see the only advantage was I save money on fuel costs. Maybe I should had bought the Cummins and dealt with the fuel prices.....

    Is any one else experiencing this or am I expecting too much from Dodge...

    95% Highway Driving. 15% City Driving
  • I had a 2009 ram 1500 crew cab 4x2 with about exact same milage your experiencing. But when added any weight mpg would drop dramatically. I do mostly city driving in Miami, traded, ram in for a duramax after one year. Much happier with the ride mpg city has averaged at 14.8 , highway 16.9mpg. Worst than the mpg on ram was the giggly ride anytime you went over a bump, and hated the navigation.
  • Sounds about right bro. On the 4x4, you will also get about 1 mpg less than a 2x4 so 16 to 17 mpg sounds actually pretty good to me overall. My 2007 5.7 HEMI with MDS gets an average of 15 mpg (1/2 city and 1/2 highway) on a good week, NO towing or hauling [non-permissible content removed] around town either!!

    If you have the factory towing package, the rear gearing is probably geared for towing lessening your mpg. Might also be the same on the 4x4?

    If your looking for real good mileage, dont look for it in a full sized truck, doesnt exist "yet". Even the midside trucks dont get much better, maybe 20 mpg overall if your lucky.
  • You're right. When moving nearly 3 tons with truck aerodynamics and 390HP, there simply is no magic formula. I believe that on strict highway cruise at less than 70 MPH, these trucks can surpass 20MPG - but on anything else, forget it. The GM hybrid trucks are capable of getting better city mileage than other full size trucks, but they are not cheap.
    If you use your truck for commuting and other things where you really don't need a truck, get a cheap economy car for that stuff. Gas is headed to $4-5 a gallon and a couple $100+ fillups per week in our trucks won't be pretty.
  • dustykdustyk Posts: 2,931
    edited February 2011
    I've talked to three others with 2009 & 2010 Ram 1500s and we seemed to be getting the same results for gas mileage on the 5.7 Hemi. In August my YTD average was 18.4 MPG on my 2010 Ram 1500 Big Horn Quad, two-wheel drive, 3.91 LSD and 20 inch wheels. Since the cold weather and snow it's down to 17.04. The MPG has defintely dropped in winter, with my lowest at 14.45 so far. Keep in mind my daily work comute is 3.1 miles and I see mostly around town driving. My three trips from Rochester to Gettysburg, PA, gave me 20.63, 21.13, and 20.86, all summertime trips. Considering the power of the Hemi, I really don't think that's too bad.

    Best regards,
    Dusty
  • I started this post years ago. I own a 2006 dodge ram megacab 2500 hemi 4x4 with the 411 rear end. I now have 35000 miles on it . I just took a 300 mile trip set the cruise at 75 mph and held a great mpg at 12.3. This is the usual. Icant get any better I just tell it how it is. The hemi loves to guzzle gas. If there was anything I could do to get better gas mpg im sure I have tried it any suggestions? Oh I also added a cold air intake and use full synthetic oil.
  • A few tips to improve your mileage:
    1. Never drive over 65MPH
    2. Swap the 4.11 for a 3.55
    3. When in the city or burbs, coast up to stop signs and red lights
    4. If you have a remote starter, don't use it - while your truck is warming
    up it's getting 0MPG
    5. Forget about all the claims to improve mileage with air cleaners,
    exhausts, etc., if any of these were any good, Dodge would have put
    them on your truck to start with
    These will improve your mileage, but are a real pain in the **s. For every 10K miles a year that you put on your truck, you're burning 800 gallons of gas. At $4/gal, that's $3200. If you do 1500 miles/mo, that's almost $500/mo. just for gas. $200/mo leases for economy cars are everywhere. Good luck....Richard
  • I'm from Germany and even though gas prices are incomparably higher than in the US (about 8 $/gal) I am thinking about getting a RAM 1500 4x4 Crew Cab in the Laramie edition. I know that the gas miliage will cost me a fortune but considering the "cheap" price of the vehicle compared to similarily equipped cars in Germany I will probably still be better off in the end. HOWEVER, it is spread in the news that Dodge has signed a contract with the German automotive supplier and technology leader for transmissions, ZF, to equip future Dodge models with the new 8-speed automatic transmission which is the same model as used in the BMW 7-series or the Rolls Woyce Ghost. According to the news articles I found, the RAM 1500 is also going to be among those privileged cars to be equipped with the new transmission. ZF claims to gain a gas milage improvement on the RAM of at least 25 %! That would almost make the 1500 into a economic car. I'll wait to see if the RAM is really gonna get the transmission before I get one...
    I'm excited to see any progress to actually make those trucks more efficient!
    What do you think of the announced transmission, especially if used in the Dodge trucks?

    Best regards from Germany!
    Leo
  • cobrazeracobrazera Posts: 352
    The 8 speed ZF is, no doubt, a better tranny than the current 5-speed in the Ram. I would expect a mileage improvement, but their claims of over 25% seem overblown. Truck aerodynamics are poor and anything over 110KPH will absolutely kill fuel economy - regardless of the gearing. So gearing the Ram very high to make use of all those speeds in the ZF would not seem to work as good as in a more aerodynamic car. With the Ram, you need to be in top gear with the MDS engaged to get the best mileage. If the ZF allows top gear by 100KPH or so, 7 more gears below that speed seem redundant, especially considering the torque of the HEMI. Just my $.02....Richard
  • cobrazeracobrazera Posts: 352
    Now that the weather has warmed up, the mileage on my '09 HEMI ( 4WD, Quad cab, 20" wheels ) has also risen - it really seems to like the warmer temps. While it struggled to get even 14 MPG during the winter months, it's getting over 15 MPG now. Small town/suburban driving with almost no freeway time - although about half the driving is country roads in the 45-55MPH range.
    One thing I have learned is that in order to keep the MDS engaged and to avoid downshifts on slight grades on these country roads, I will not use the cruise control. Instead, I allow the speed to drop slightly in order to keep MDS and 5th gear engaged. When in cruise, the truck will hold its speed by downshifting, and that hurts the MPG. Keep truckin'!
  • tmaktmak Posts: 6
    I traded in my 2010 1500 RAM because my fuel mileage was 15 MPG while driving in High RPM on MDS. I went ahead and decided to trade it in for a 2011 Ram 2500 4x4 4dr Crew cab, thinking that I would get the better mileage and durability on the engine, also I missed my old diesel truck which I traded that in for the 1500. I am at 5118 miles on the 2500 which I am getting 13.8 MPG I drive mostly highways and it is perplexing. These new 6.7s are not what they are cracked up to be not sure what I can do. Thank you Mr OBAMA..... I miss my 5.9...
  • KCRam@EdmundsKCRam@Edmunds Mt. Arlington NJPosts: 3,495
    With the 6.7, the only axle that will give you good mileage is the 3.42 - and the trade-off there is loss of towing ability. Plus the new trucks are much heavier... my 2005 Ram 3500 Quad Cab dually weighs 1000 pounds more than my 1996 Ram 3500 Club Cab dually did. A 2011 Ram 3500 Crew Cab dually would add another couple hundred pounds.

    kcram - Pickups/Wagons Host

    KCRam - Pickups/Wagons/Vans+Minivans Moderator

  • superman45superman45 Posts: 1
    edited August 2011
    your right these new 6.7's engines do suck [non-permissible content removed] i miss my 06 mega cab cummins that gave me 19 mpg and your lucky your getting 13.8 cause in my 2010 2500 laramie mega cab 4x4 gives me 9.8 mpg and if im lucky and drive good it gives me 10.3, i think it gives me that cause of the 35's tires i have on it but it should not suck that much and besides that it has no balls as the old one. My 06 gave me mid 13's or 14 flat at the track better than a mustang and the same as a camaro with a programer and this ***** dont even do 20's maybe at the track its really heavy and slow and it sucks at the beach 2. The only good thing about this truck is that no matter where i park it theres always people telling me how badass the truck is but thats about it. Its the best looking truck out there in the market ill give it that but the rest IDK
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