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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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#1727 of 2672
- by dudleyr
Apr 18, 2008 (8:41 am)
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Yes I was really suprised at the size of the new Accord. The Civic is 91 ft3 and the Accord is 106 ft3. That is a huge difference between the two. There really is a gap for a 98 ft3 honda that gets better mpg thant the Accord and has more room than the Civic.
 
For goodness sakes a Crown Vic is 107 ft3 and a Lincoln Town Car is 109. A 98 ft3 Accord would slot right between an E class Mercedes (97) and a BMW 5 Series (99). The TSX is close, but still (91 ft3 - with sunroof so more like 94 or 95 without) expensive, heavy and thirsty.
 
For the sake of recapturing mpg, yet still offering some room, Honda need to fill the gap. I would move down to a Civic if it was just me, but it is a tad small with my 3 boys and does not work if my wife joins the mix.
#1728 of 2672
Re: - [dudleyr] by bdyment
Apr 18, 2008 (9:54 am)
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Replying to: dudleyr (Apr 18, 2008 8:41 am)

Curious as to what type of ruler you are using. 91 to 106 feet is the length of two city lots.
#1729 of 2672
Re: - [bdyment] by ljgbjg
Apr 18, 2008 (10:14 am)
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Replying to: bdyment (Apr 18, 2008 9:54 am)

98 ft3 is 98 cubic feet The Accord is 106 ft 3 - interior space. That is why the EPA classifies it as a full size car
#1730 of 2672
Re: my recent mpg. [ezshift5] by ljgbjg
Apr 18, 2008 (10:19 am)
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Replying to: ezshift5 (Apr 18, 2008 7:28 am)

ez - I would hang onto that baby for awhile longer! Wish we had held onto our coupe.
 
From everything I read, while the new coupe is a real eye catcher, yours more than holds its own against it on the street. The added weight to the new cars is only offset by the increase in HP. The lbs./hp actually are pretty much equal. Your car should be more than up to a match in any stoplight gran prix with an '08!
  
Happy motoring!
#1731 of 2672
Re: - [ljgbjg] by bdyment
Apr 18, 2008 (11:12 am)
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Replying to: ljgbjg (Apr 18, 2008 10:14 am)

It makes sense now.
#1732 of 2672
Re: my recent mpg. [according2u06] by tallman1
Apr 18, 2008 (3:25 pm)
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Replying to: according2u06 (Apr 17, 2008 7:02 pm)

Question for you tallman: Did you use cruise control for the entire/majority of your trip?? That is amazing!!!
 
I did end up using the cruise control for quite a bit of the trip, especially after I got on I-5 near Eugene, OR. I tend to not use it much on two lane roads with a lot of hills so that I can control the throttle a bit better.
 
The real trick is keeping the speed down to 65 and under, especially with the manual. Of course, for most of us, there aren't too many times when we are on long trips of 400 miles or more. I think my trip computer showed my average speed at about 58 mph. Considering that I stopped a couple of times and hit some bumper to bumper traffic near the end, you can get an idea of how steadily I drove since I rarely went over 65.
#1733 of 2672
Re: Odometer Accuracy [isellhondas] by carzzz
Apr 18, 2008 (6:32 pm)
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Replying to: isellhondas (Apr 15, 2008 7:02 am)

I have a interesting dilama related to the tire pressure and fuel economy.
Is this true?
If you under inflated the tires, the book value of mpg is higher due to decrease in diameter. The total distance travelled has increased (ie compare to prorper inflated tires). But in reality, you get worse fuel economy due to the extra rolling resistance.
However, if you over inflated your, your will get a "worse mpg" book-value mpg due to increase in tire diameter. The total distance travelled has reduced. In reality, you get better fuel economy due to the reduced rolling resistance.
#1734 of 2672
Re: Odometer Accuracy [carzzz] by tallman1
Apr 18, 2008 (7:19 pm)
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Replying to: carzzz (Apr 18, 2008 6:32 pm)

Are you trying to say that you will have less miles on your car when you sell it (thus more value for the car) if you under-inflate your tires??
 
I can't imagine that would amount to many miles, not to mention the safety factor driving around with tires like that. And you would save many more $$ in gas over the life of the car as opposed to what you'd get in resale.
 
Or maybe I just didn't follow what you were trying to say.
#1735 of 2672
Re: Odometer Accuracy [carzzz] by tankbeans
Apr 19, 2008 (1:23 pm)
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Replying to: carzzz (Apr 18, 2008 6:32 pm)

My take on it is that the distance traveled by the tire doesn't change. That wouldn't have any effect. However, when the tires are under-inflated more of the tire is in contact with the ground at any given time. This requires more energy to overcome all of the friction. The over-inflated tire requires less energy to move because there is less contact at any given time thus less friction.
 
If the tires traveled different distances due to pressure differences we'd have a lot of cars that were torn up because one side would be going further than the other, simply because most people don't have the same tire pressure all the way around.
 
Think of vehicles that have different required pressures for front and back, such as the Accord, which I think needs 32f and 30r. The front and back of that car would have to be going different speeds.
 
This is probably way more confusing that it has any need to be. Somebody who understands or thinks they know what I'm getting at please help me out. I tried but I'm sort of dumb.
#1736 of 2672
Re: MPG on 2008 Honda Accord LX Automatic [mazda6dude] by malmouza
Apr 19, 2008 (5:22 pm)
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Replying to: mazda6dude (Apr 11, 2008 8:28 am)

I have 2008 I4, on my second tank I got 28 MPG. The light came on, then I refueled 16 gallons to top. This means that still 2.5 gallons left after the light came on; since the accord tank is 18.5 gallons. I am happy with result for a new car. It will get better after the parts in the motor settle. Lol.

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