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Sedans Chevrolet Cobalt Chevrolet Cobalt Real World MPG
293 messages, Last post on Oct 29, 2009 at 5:42 PM
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Would like a website to purchase some side molding for my base model cobalt. Would like to pimp it up a little to make it look like a ss version. (I wish) thanks |
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Replying to: timb24 (Feb 07, 2009 6:40 am) Try something, if you are willing. Get leveled off at 65 MPH and set your cruise control, as you say you do routinely anyway. Reset the average MPG (average, not "instant") on the DIC to zero and keep an eye on it. See what it is showing when you finally have to get back on city streets. I would think steady cruising at 65 MPH should get you something very close to the advertised 37 MPG. Tom |
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Replying to: timb24 (Feb 07, 2009 6:40 am) Another interesting bit of information and take it for what it is worth. I always use sunoco gasoline. I am a firefighter at an airport and happened to be having a conversation with the manager of the aircraft fueling station. We were talking about fuel prices and etc and he stated without prompting that Sunoco fuel is the best fuel on the market. They are not affiliated with any brand of fuel. He took me down and showed me samples from thier fuel tanks; some was sunoco and some was not. The Sunoco fuel looked almost clear, just like real good moonshine! Anyhow, I've been running a little bit of a test. I switch the fuel in my girlfriends car from time to time. She is not as particular with her fuel (she get's whatever is cheaper). I will fill her tank and not tell her where I got the fuel so she doesn't alter her driving. The Sunoco tanks always always always get 3 to 4 miles a gallon better than any other fuel. Try it out and see what happens. It may impact your oil life as well. I've got over 5000 on my current oil change (9200 miles total on the car) and the DIC oil life says 56%. Clean fuel, clean oil....... let me know if you get different results. |
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To calculate accurate mileage fill your tank to the brim, drive, fill to the brim again and divide by miles traveled. Most built in estimates by your car's computer is just plain wrong. They will give you an estimate but it is only an estimate. I would think that 37 mpg is within easy reach on a hiway trip in warm weather traveling under 70 and driving like you have a raw egg under your throttle foot.
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Replying to: boodrow (Feb 17, 2009 2:11 pm) That's the only accurate way to do it. If you stop the pump when it clicks, that no good. |
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Replying to: boodrow (Feb 17, 2009 2:11 pm) Your skeptical demeanor is a little on the side of I don't like how you're talking to me. If that's not what you meant, that's fine no foul. Don't assume that everyone on here is an idiot. |
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Replying to: Amunhotep (Dec 28, 2008 12:19 pm) |
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Replying to: timb24 (Feb 07, 2009 6:40 am) |
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Replying to: timb24 (Apr 13, 2009 4:55 pm) Can you clarify this? I've been diligently monitoring MPG in my cars for years but could never correlate the results with the gas brand used. I prefer Shell, then perhaps Mobil/Exxon, then perhaps Sunoco, but this is all very non-scientific. Due you have any data demonstrating a certain gas brand's advantage? |
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Replying to: malexbu (Apr 13, 2009 5:38 pm) I've read in other parts of this forum and other magazines that short shifting and under-accelerating will negatively impact your gas milage. I have an 08 cobalt xfe and have gotten 42 mpg during my trip. That including resetting the DIC when I fueled the vehicle and about 5 miles of non interstate driving before I entered the interstate. I don't get that all the time, but it just shows that it is possible. Another interesting bit of information and take it for what it is worth. I always use sunoco gasoline. I am a firefighter at an airport (Harrisburg International, PA) and happened to be having a conversation with the manager of the aircraft fueling station. We were talking about fuel prices and etc and he stated without prompting that Sunoco fuel is the best fuel on the market. They are not affiliated with any brand of fuel. He took me down and showed me samples from thier fuel tanks; some was Sunoco and some was not. The Sunoco fuel looked almost clear, just like real good moonshine! Anyhow, I've been running a little bit of a test. I switch the fuel in my girlfriends car from time to time. She is not as particular with her fuel (she get's whatever is cheaper). I will fill her tank and not tell her where I got the fuel so she doesn't alter her driving. The Sunoco tanks always always always get 3 to 4 miles a gallon better than any other fuel. Try it out and see what happens. It may impact your oil life as well. I've got over 8000 on my current oil change (12200 miles total on the car: 08 Cobalt LS XFE) and the DIC oil life says 27%. Clean fuel, clean oil....... let me know if you get different results. Just an update to my milage results. Now that the weather has been warmer I have been getting no less than 36.3 mpg (combined driving) calculated as I fill the tank and not calculated by the car DIC. I drive the posted speed limit and try not to accelerate too heavily so I am not driving like Grandma. |
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