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Wagons Dodge Magnum Dodge Magnum MPG-Real World Numbers
36 messages, Last post on Jul 26, 2008 at 9:31 PM
You are in the Dodge Magnum Forum. Your Host is kcram
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Replying to: kecaj (Apr 13, 2007 8:20 am) My 2005 R/T AWD with an AFE cold air intake gets 22-23mpg on the highway when cruising between 65mph and 75mph. At 80mph and above I get 19mpg. Around town I get 16mpg to 18mpg. While the gas mileage is not good compare to my previous car, a Saab 9-5 Aero Wagon, the Hemi is just too much fun. As a volunteer firefighter it gets me to the fire house real fast!
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Replying to: bbfd86 (Sep 05, 2007 4:46 am) Dodge recommends removing the roof rack cross bars when you are not using them. The principal determinant of fuel mileage is vehicle weight, regardless of all other factors (of course, hybrids are a special case). Notice that the 3.5 V6 and the 5.7 V-8 get identical mileage (if driven in an identical manner). Once you stick your foot into it, that's another story. |
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About the octane: The manual warns that heavy detonation can damage the engine (duh!). But the brochures say that the Hemi, at least, has two detonation sensors, so that shouldn't be a problem. I don't hear any detonation with my '06 Hemi. (My '87 Grand National has a detonation sensor, also, and retards the spark if it senses any. You lose a little power with lower octane gas, but no harm done). |
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| I have an SRT8Magnum and get almost 21 mpg at a steady 75 mph. In town if I am getting on it, I get about 12 mpg. | |
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| Over the summer I did a trip with my 3.5 SXT covering nearly 4000 miles over 6 weeks. In brutally hot summer weather on the prairies at 110-120 kph ( 70-75mph) I got 31.82 miles per gallon on regular gas with AC on . Had I slowed down I'm sure it would be higher. I did move to synthetic oil (Castrol GTX) and swapped out to a low restriction air filter. Now that it is being discontinued I know I will never get rid of it. It is too much fun. | |
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Replying to: pf_flyer (Jun 12, 2006 8:07 am) On limited hwy miles, I have gotten around 21-22 MPG at 65-70 MPH (so much for the 4-cylinder shutdown mode). Compared to this car, my '87 Buick Grand National is an economy car. Like someone said, if I get my foot into it with the Grand National, mileage suffers, but I could easily get 18-20 all-around if I lay off of the turbo. These Magnum numbers are WAY below even the revised, lower EPA figures. One thing I noticed is that there is soot in the tailpipes of my Magnum (none of my other modern cars do this). You can feel it with your fingers, it is a greasy-feeling black powder. Soot, not oil. I think that I am going to take the car to an independent shop and ask him about this; maybe have him run an exhaust-gas analysis. If he doesn't have an analyzer, I think that I might pay for a full emissions test (with the all-wheel drive, it will only be a two-point idle test, since they can't do a full dynamometer test with AWD). I also have a new 2007 Toyota Sienna (minivan). Both cars weigh about 4,200 lbs. Of course, the hemi is a larger engine, and is geared down a little more. Then there is the issue of the increased friction of the AWD system. Still, I can easily get 18 mpg with the Sienna with just a bit of hwy miles mixed in, and can get 24 MPG cruising at 70-75 MPH. Remember, the Sienna is both much higher and wider than the (narrow) Magnum, so the frontal area is much greater. So the disparity in mileage just doesn't make any sense. To me (a virtual lifelong car guy and mechanical engineer), the critical clue is the exhaust pipe soot. I am going to have that investigated.
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Replying to: midnightblumag (Oct 07, 2005 7:28 am)  60-70. I find the trip advisor states I am getting better milage when driving a little harder. But judging from reports I see others are getting closer to 23 my 65ish speed. Any comments or updates?
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Replying to: 2005maggie (Apr 04, 2008 2:19 pm) Maybe it doesnt have the throaty tone to impress drivers. Who knows.
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Replying to: 2005maggie (Apr 04, 2008 2:19 pm) |
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Replying to: 2005maggie (Apr 04, 2008 2:24 pm) I would bet that it weighed at least a 1,000 pounds more than that. My Magnum is nearly as fast as a stock '87 Buick Grand National, which is as advertised. With AWD, you don't get any wheelspin/sliding action, which makes the car seem tamer than it really is. My impression of the hemi is that it feels more like an old '60s V-8 than anything I've driven in a long time. But the "snap" that your '68 has is largely due to the high compression ratio it has. Is your '68 a stick? That would make it seem even wilder by comparison. I'll tell you this: when I put my foot down, traffic disappears pretty fast in my rear view mirror, and in the few brief "jousts" I've had so far, no one has pulled on me (I don't actually race on the streets anymore; it's just too damned dangerous).
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