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Honda Accord Real World MPG

2666 messages,  Last post on Nov 08, 2009 at 12:49 PM

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


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#2521 of 2666
Re: MPG........GenVII 6M [carzzz] by ezshift5
Mar 12, 2009 (5:02 pm)
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Replying to: carzzz (Mar 12, 2009 11:55 am)

....that would be " necessarily" not true...........
 
but who's keeping score. The main theme is that the 6M combines performance AND economy!!!!!!
 
I rest my case (as it were)
#2522 of 2666
Re: MPG overall to date [packer3] by rrbhokies
Mar 18, 2009 (9:44 am)
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Replying to: packer3 (Mar 11, 2009 5:08 pm)

I have the same issue with my 08 EXL 4 cyl. Normal suburb driving with occassional hwy only gets about 15-16mpg, far below the 21 city rating. Pure HWY drive for 350 miles may get to 23/24 driving 65-70mph. Again, far below the 30 hwy rating.
 
Also consider that epa ratings are now lower than they were several years ago. So, the 21/30 is supposed to reflect real world driving more closely.
 
I have a 98 accord also that gets 25 around town and over 30 hwy and it has 150,000 miles. That's using the same roads. So how can a 10 year old Accord do so much better?
 
Therefore, 08 Accord SUCKS for gas mileage.
#2523 of 2666
Re: MPG overall to date [rrbhokies] by personatech
Mar 18, 2009 (10:06 am)
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Replying to: rrbhokies (Mar 18, 2009 9:44 am)

There's *got* to be something wrong there - whether its your car's tune or your terrain or your math, I don't know. My '08 I-4 Accord routinely gets 26-27 MPG and I do NOT baby the car. Most miles are on a curvy rural roads with occasional hwy and city trips. Best mileage so far is just over 30MPG on interstates cruising at 70-75 (wife was in car - she keeps me honest . Considering the size and weight of the car, I think this is outstanding mileage.
#2524 of 2666
Re: MPG overall to date [rrbhokies] by dpmeersman
Mar 18, 2009 (10:49 am)
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Replying to: rrbhokies (Mar 18, 2009 9:44 am)

When my wife and I first went to the dealership for our 08 Accord sedan I had told her that I wasn't sure if I wanted a 4 or a 6 cyl. She commented that I probably wouldn't even take the 4 cyl out for a test drive & she was right. If we lived in the plains states or other flat areas I might have considered the 4, but not in New England, just to many poorly graded roads. Pit that hilly terrain with 6 or more months that have below freezing weather and now ask that 4 cyl engine to pull around 3,300 pounds during my less than 10 mile trips and it all adds up to a poor fuel economy scenario. As it is my 08 6 cyl has averaged 22.13 mpg over it's 18,000 miles. But 50-50 hwy-city driving will return about 25 mpg and a pure 450 mile hwy trip has returned 32 mpg with my avg 80-20 hwy-city trip being around 28-29 mpg. So all in all I'm right at the levels the EPA has rated my car at. I have seen better mpg's reported for the 08 4 cyl models than you are posting but they usually are from warmer flatter climes then I live in. What part of the country are you driving in?
#2525 of 2666
Ah, warmer weather... by tallman1
Mar 18, 2009 (11:02 pm)
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My usual 250 mile trip across the fine state of Washington was warmer today than it has been. Temps in the 40's and 50's (mid to high 30's on the mountain pass), no rain, no snow. Kept it under 70 for the most part. Even with a bit of city driving I was at 35.6. Much better than it has been with the cold temps.
 
06 Accord EX-L w/navi I4 manual
#2526 of 2666
Re: MPG overall to date [dpmeersman] by rrbhokies
Mar 19, 2009 (10:20 am)
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Replying to: dpmeersman (Mar 18, 2009 10:49 am)

I'm a CPA and always do my calcs based on full tank to full tank fillups and reset trip odometer. I'm confident on my mileage calcs. NEVER got above 30 on a highway trip, NEVER..........
 
I agree something may be wrong. I believe I have issues with tires and/or struts as the car is absolutely jarring on every road surface. The car literally bottoms out going over man holes, etc. Going over a speed bump at low speeds, the back end bottoms out and you can hear the bang as the car comes down.
 
I have to take it in for state inspection next week, and will have them look at everything from tires to shocks to engine tuning and hope for the best. I'd love nothing more than to find out there is a problem that may be related to all my issues and a solution that would make my Accord ride better and improve mileage. I'll be sure to post back with what they find, if anything.........
#2527 of 2666
Re: MPG overall to date [rrbhokies] by packer3
Mar 19, 2009 (4:03 pm)
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Replying to: rrbhokies (Mar 18, 2009 9:44 am)

It's amazing how all of us basically own the same car minus weather and driving habits and you see get great mileage or really poor mileage. What sold me also on the 08 Accord was with the so called real world new EPA ratings of 21\30, not happening so far with 8,500 miles on it.
One of the main reasons I switched to a Japanese car for the first time in my life was because of there known mpg's. Most of my driving is city and I didn't want to lease a new Malibu because of my experience with the 04 V6 Malibu I leased, it got 15winter\17mpgs (sometimes) in the summer, however, which was weird, I got 37mpg pure high way driving. I can't even hit 28 with this four banger.
#2528 of 2666
Re: MPG overall to date [rrbhokies] by blufz1
Mar 20, 2009 (4:49 am)
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Replying to: rrbhokies (Mar 19, 2009 10:20 am)

Take it to the Honda dealer for the state inspection.
#2529 of 2666
Re: MPG overall to date [blufz1] by rrbhokies
Mar 20, 2009 (11:32 am)
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Replying to: blufz1 (Mar 20, 2009 4:49 am)

Yep. My dealership has free state inspections. I have an appointment scheduled for next Friday for the inspection and a $1.99 tire rotation special.
 
I also told them that I want them to inspect the tires, shocks/struts, and the engine, while explaining the problems I'm experiencing with noise/vibration/mpg.
 
Did I mention that when I start my 1998 Accord and 2008 Accord side by side in the driveway that the 2008 Accord is approxmiately 300% LOUDER than my 1998? My 1998 is very quiet with little vibration, but makes lots of little clicking sounds. However, the 2008 is noisier than any car I've ever owned. We have a 2005 Odyssey that is very quiet also. But the 2008 is just the roughest sounding engine I've ever come across. I sure hope that there is something wrong with it that can be fixed and this isn't just the kind of Piece of Crap they are producing these days, because if the best they can do in 2008 is a noisy, rough riding, piss-poor gas mileage vehicle, then it may just be the last Honda (certainly the last Accord) that I'll ever own.
 
Can't wait until next Friday!!
#2530 of 2666
- by dudleyr
Mar 23, 2009 (11:31 am)
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Have not posted in a while, so here are some recent numbers for my 2007 I4 SE MT. Synthetic 0w-20, 40 psi, snow tires, gentle acceleration, coasting to stops.
 
Current 10 tank rolling average is 35.6 mpg calculated. (stayed above 30 this winter as my low was 30.1)
 
Lifetime average is moving back up with the temps and is currently at 33.72 over 57,300 miles.
 
Recent trip from SD to the UP of Michigan. Weather between 30 and 60 with some light winds and little rain. Mostly rural highways with speeds of 55 to 60 mph.
 
Tank 1 591.0 miles 13.01 gallons 45.4 mpg (43.8 scangauge)
Tank 2 611.3 miles 14.30 gallons 42.7 mpg (43.3 scangauge)
Tank 3 362.7 miles 9.43 gallons 38.5 mpg (40.8 scangauge) cooler - bit of rain
 
Congrats on 40 EZ - twice at that. I recently did a graph (exponential regression) of my 10 tanks averages and they show an increase in mpg over the two years I have owned the vehicle, so it was just a matter of time for you. In my experience mpg improves with age for the life of the vehicle, assuming the engine maintains compression. Gains taper off as the car gets older though.
 
 I would guess that you see the same gain over 10 times the mileage. In other words if you gain 1 mpg after 1,000 miles you may see another mpg after 10,000 miles and yet another at 100,000 miles. At that point you would need a million miles to get much improvement so not too likely.

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