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Honda Accord Real World MPG

2672 messages,  Last post on Nov 23, 2009 at 2:36 PM

You are in the Honda Accord Forum. Your Hosts are pat & karens

What is this discussion about? Honda Accord, Fuel Efficiency (MPG)


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#2442 of 2672
Re: To improve gas efficiency this is what I do. [thegraduate] by malmouza
Nov 06, 2008 (5:48 am)
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Replying to: thegraduate (Nov 05, 2008 8:47 am)

I do not think 300 lbs or even 700 lbs for that matter make a difference in highway driving. I own 2008 accord EX Manual tranx. and I got as high as 41 MPG doing 70 MPH on the highway, and this number is the average of the trip from PA to NY. But wait when I get into the stop and go traffic there where even 100LBs make a difference. Because the MPG will drop drastically to 25 MPG. Normally I get on average 32 MPG on mixed driving, not exceeding the 70 MPH and 2200RPM. But even if I drive this car like cop chasing drug dealer, I still get 26 MPG.
On a highway sometime you do not need to push the throttle wide open to keep the car moving at the same speed, because at highway speed there is a lot of air getting into the intake faster than the car can digest, this fast moving air may just insight the computer to through unnecessary more fuel to keep up with the air flow, not because the car need all that fuel to keep the 70 MPH, but just to keep up with the emission demand that the ECU (computer) was programmed to handle. In perfect world if the accelerator we use in our cars was designed to control the fuel flow instead of the air flow, we will get better gas mileage, but automaker always take the easy way. Diesel gets good gas mileage because the throttle does not control the air flow. I hope this help to understand why some people are getting a good gas mileage with the same car that other are struggling to get even the EPA mileage. lol
#2445 of 2672
a couple of posts have been moved by pat HOST
Nov 07, 2008 (4:16 am)
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Here's the link: sirus270, "Honda Accord (1998-2002) Maintenance and Repair" #1554, 6 Nov 2008 9:02 pm.
#2446 of 2672
2008 ex l 4cyl by wilson17
Nov 09, 2008 (8:29 am)
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2008 accord ex-l 4cyl . I have 4100 miles get 19 mpg around town & 24 on mixed with highway driving. Not any better than my 2004 v6 accord that I trade in.
#2447 of 2672
Re: 2008 ex l 4cyl [wilson17] by blufz1
Nov 09, 2008 (9:38 am)
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Replying to: wilson17 (Nov 09, 2008 8:29 am)

23 MPG at 55-62 while towing a small Bass Boat in my 02 V6.
#2448 of 2672
08 exl-v6 by jhinsc
Nov 09, 2008 (6:04 pm)
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I have approximately 3,600 miles now and with 50/50 city/hwy mix, I'm averaging 23 mpg. My highest tankful yielded 25.4 mpg with about 170 miles of steady hwy miles, and the lowest was the first tank at 21.4 mpg. I wish it was higher but I can't complain.
#2449 of 2672
'03 Accord EX 5-sp manual by byron2
Nov 09, 2008 (10:50 pm)
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Had it 5.5 years. Great car. Routinely gets 27 on the hilly San Francisco Peninsula. Regularly do 80+ on the freeway. Has never been worse than 25 mpg. Ever. I check mpg by the tank. Best ever was 34 driving back from Vegas. Fast (enough). Smooth. Roomy. Great car. Byron
#2450 of 2672
Re: 08 exl-v6 [jhinsc] by ljgbjg
Nov 18, 2008 (1:50 pm)
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Replying to: jhinsc (Nov 09, 2008 6:04 pm)

Should get better but there are so many variables - even with highway driving. Hilly? Flat? What speed? Windy, calm?
 
We regularly get 29-30 on the highway with our '08 V6 Sedan, 75 MPH, reasonably hilly roads with occasional heavy acceleration to pass trucks etc.
 
50/50 mix - get about 25
 
City only? About 21
#2451 of 2672
Re: 08 exl-v6 [ljgbjg] by dpmeersman
Nov 18, 2008 (4:36 pm)
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Replying to: ljgbjg (Nov 18, 2008 1:50 pm)

Same car, same results. Considering it's size I feel this return on a gallon of fuel is commendable. Just shy of 15,000 miles and going in for my second oil change tomorrow, supporting Honda's claim of low maintenance. Put the pedal to the floor about 40 mph recently and it just kind of sat there for a 1/2 second before it kicks down and then only one gear just doesn't seem to have the kick it had. Bad tank of gas? I know it's rated for 87 octane but has anyone with VCM tried premium? Improve acceleration? C'mon somebody has had to try it.

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