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Pontiac G6: Real World MPG

39 messages,  Last post on Sep 16, 2009 at 4:19 AM

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What is this discussion about? Pontiac G6, Fuel Efficiency (MPG), Coupe, Convertible, Sedan

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#37 of 39 Don't trust the mileage computer by elkbow2003 Dec 30, 2008 (4:30 am)
Don't trust the mileage computer to be accurate. Check it by dividing the gallons used into the total miles traveled on the tank of gas. Then reset your mileage and check another tank. The best way to get an accurite reading is run 4-5 tanks of gas and check the mileage using all fuel used and all the miles driven. (IE 75 gallons used in 2025 miles = 27mpg)   I've seen the mileage computers be off 5 mpg or more.I have a 2004 Chevy truck that was off about 1.5 mpg consistently. It always got about 1.5 mpg less than the computer said it got.
#38 of 39 09 2.4 mileage by gonogo Jul 31, 2009 (7:11 am)
Just made a 500 mile trip at 70 mph, some a/c, got 31.5 mpg, I can live with that. It was gallons divided by miles. Replies to this message: pbowler (Sep 16, 2009 4:19 am)
#39 of 39 Re: 09 2.4 mileage [gonogo] by pbowler Sep 16, 2009 (4:19 am)
Replying to: gonogo (Jul 31, 2009 7:11 am) Mine is a 2009 4 cylinder with the 6-speed auto "Sport Package". I already have more than 15,000 miles on it. The mileage with this package is satisfactory. I consistently achieve more than 420 miles per tank and average a little over 30 mpg overall. My work commute is highway, seldom stop and go, making the mileage easier to achieve. I have occasionally achieved 32+ mpg for a tankful (doing the math), but it is usually a little lower. It does not often achieve the EPA rating, but then few cars do in the real world other than hybrids or diesels. The only indicator I watch is miles left per tank; The mpg indicator is only useful to monitor driving habits, not for accurate, achievable measurements.   For the total package considering size, roominess, comfort, performance, I am reasonably happy. We will see about long term. I am used to taking my cars to 200,000 miles but do not expect that of this car. I have owned mostly VW or Subaru over the years.

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