Drove like a granny the last tank and still only got 25mpg. Granted I only have 450 miles on the car. How many miles until your accord started seeing closer to the 30mpg?

100% highway drive is the only way - get into roadtrip

Dad has been getting 30-31 MPG since the first tank with A/C on. Mostly highway driving with little to no traffic. Purely a commute car so the only time it sees city driving is when I'm home driving it.

I have been traveling on the Hwy (80%) Set cruise at 72mph.

I have been traveling on the Hwy (80%) Set cruise at 72mph.

That's what my dad does. About 80% hwy. The 20% city has very little traffic and very few stop lights/signs. The thing that hurts gas mileage the most is when the car isn't moving. Dad goes through 12 gallons of gas every 3 days so that really cuts down on the time that the car sits idle warming up. 25 MPG sounds low if you drove like a granny with mostly hwy driving. How often are you stuck in traffic or take short trips?

I cruised at 80mph the entire way down to Austin from Dallas, and clocked in 31mpg just on that trip alone. It also included a bit of spirited driving here and there when passing traffic.

Highway driving should have you closer to 27-30 range, as I put down maybe 25% highway, but still manage 24-25mph with spirited driving in the city.

The best I've gotten is 25mpg highway with about 10% city. Mostly it has been in the low low 20s since I drive in traffic about 75% of the time if not city streets. I've tried to do some road trips but neither of them got close to draining half a tank, I'm still happy since I had to fill up twice as much in my old car than the Accord. Current mileage 22XX.

It might depend on the gas you're using. I got 29-30 MPG on the first 2 tanks with Shell V-Power. I'm on my 3rd tank now (Sunoco Ultra this time) and I already know it's not gonna be as high. I'll find out actual numbers the next time I fill up.

I've been getting 26-27MPG when I first got the car. Then it went up to around 30MPG after my first oil change.

best i got was 29 100% highway stockton to riverside

Very first tank of gas , got 34.8 on a 150 mile run. Figured by hand. Has been about the same since. Have 4800 miles now. Went on a little road trip this past weekend, it amazes me to get to 300 miles on a half a tank of gas.

how the...!?!?!??! im getting like 19...at best.. i would say im 60% city tho but still...COME ON!!! i got auto...what rpm do you guys keep it to? i try not to let it go over 2.5, kinda hard on a torqueless car :paranoid:

Geezzzz!!!! The more I hear these lousy I4 mileage horror stories the happier I am that I got the V6!!!!!

I track and account for every ounce of fuel pumped into the car on a spread sheet.

On the highway I have no problem pulling down 30+mpg (best ever was 31.65). In town, the worst mileage I've ever seen was 22.xx
For the year of 2008, my overall annual average was just over 25
This year, it may hit 26.

Geezzzz!!!! The more I hear these lousy I4 mileage horror stories the happier I am that I got the V6!!!!!

I track and account for every ounce of fuel pumped into the car on a spread sheet.

On the highway I have no problem pulling down 30+mpg (best ever was 31.65). In town, the worst mileage I've ever seen was 22.xx
For the year of 2008, my overall annual average was just over 25
This year, it may hit 26.

THE F-?!?!?!? v6 GETS BETTER MPG!?!?!?!? -.-sigh...the more i hear the more i hate my accord.

THE F-?!?!?!? v6 GETS BETTER MPG!?!?!?!? -.-sigh...the more i hear the more i hate my accord.

Let's take a second to calm down. There is no need to upset yourself over mistaken facts. Firstly, there are many factors and variables involved when calculating MPG. It is quite possible to get better MPG on a V6, but you have to take everything into account.

City/highway driving, method used to calculate MPG, etc. Overall, as a package deal, the I4 gets better MPG than a V6. On a side note, the V6 is awesome in terms of the amount of power it puts out in relation to the MPG.

Let's take a second to calm down. There is no need to upset yourself over mistaken facts. Firstly, there are many factors and variables involved when calculating MPG. It is quite possible to get better MPG on a V6, but you have to take everything into account.

City/highway driving, method used to calculate MPG, etc. Overall, as a package deal, the I4 gets better MPG than a V6. On an off note, the V6 does get awesome MPG for the power it gives back in return.

ok ok im calm im calm..well lets see...im about 60/40 city/hwy. i keep it under 2500 rpm. i usually reset my trip miles on every full tank...and i just estimate the mpg when my gas goes to half by taking the miles, doubling them, then dividing them by 18.7 liters for the tank. :\ still only 19mpg...at best (grandma driving) :thumbsdow

personally i dont even see how its possible to start off easily since we virtually have no torque -.- if i dont push my rpm to 2500 it'll get off the line too slow :dunno:

The RPM's aren't as big of a factor in fuel consumption as some would believe. Maintaining constant speed is a bigger factor. If you are only calculating half tanks of gas and doubling that, then the +/- % error is too big for accurate measurements. It's better to calculate using the amount of miles driven vs. how much fuel you replace in your tank at the pump.

Use the tripometer to measure distance driven, and calculate that versus the amount of fuel you replace in your tank (read the fuel pump for amount of gas purchased.) When the gas pump handle clicks to stop pumping, don't give it another squeeze (topping off.) The more fuel you use (full tank vs. half tank), the more accurate your reading will be.

If you have a lot of stop-n-go city driving, that will use up a lot more fuel than driving at a constant speed. The longer you can maintain a cruising speed at low RPM, the better. It's okay if you rev to above 2500 rpm during acceleration, because the more time you spend accelerating (too much light footing on the pedal) the less time you will spend at "cruising" speeds (optimal fuel consumption.)

Good luck and have fun!

Agree with BlueBlahBleh. My Accord has 5,500 miles and I consistently average 30 mpg. 90% freeway 10% city.

However, the freeway driving typically includes early morning rush hour with stop and go traffic.

Frank

The RPM's aren't as big of a factor in fuel consumption as some would believe. Maintaining constant speed is a bigger factor. If you are only calculating half tanks of gas and doubling that, then the +/- % error is too big for accurate measurements. It's better to calculate using the amount of miles driven vs. how much fuel you replace in your tank at the pump.

Use the tripometer to measure distance driven, and calculate that versus the amount of fuel you replace in your tank (read the fuel pump for amount of gas purchased.) When the gas pump handle clicks to stop pumping, don't give it another squeeze (topping off.) The more fuel you use (full tank vs. half tank), the more accurate your reading will be.

If you have a lot of stop-n-go city driving, that will use up a lot more fuel than driving at a constant speed. The longer you can maintain a cruising speed at low RPM, the better. It's okay if you rev to above 2500 rpm during acceleration, because the more time you spend accelerating (too much light footing on the pedal) the less time you will spend at "cruising" speeds (optimal fuel consumption.)

Good luck and have fun!

hm...ill have to try after using a full tank...i get paranoid tho, always thinking ima run outta gas and be stuck in the middle of the street :\ any idea how many miles you can get out once the gas light comes up? had my car for 4 months and never had the gas light come on...not even sure where it is or what it looks like :lmao:

You'll be alright if you wait until the gas light comes on. You should be able to drive at least 30 or 40 miles, if not more, after the gas light is on. Enough to get to the nearest gas station from school/work/home. Go ahead and plan to take a trip straight to the pumping station once the light is on, though, so you don't get stuck in the middle of the street as mentioned. :thmsup:

One strange thing i noticed was that on the aus honda site they claim 18.7 mpg city for i4 and 16mpg city for v6 (auto) Yet on the US site it claims 19mpg for the v6 and 21mpg for i4. Thats a big difference. Different testing methods or someones fibbing? However the combined figures are identical and the highway figures are a actually a bit better mpg on the aus site. Strange...

It is best to keep a running calculation of mileage. For best results don't just use one tank's worth to calculate. Calculate it over several tanks. I keep a running log with overall miles/fuel used. The bigger the sample, the better the result.

30mpg is a farce as far as I am concerned.

I usually get in the 29-30.5 MPG range with my car. And most of my driving is country driving with a mix of highway/city. I say country driving because most of the roads I drive feature traffic moving 50-60 MPH with stops every couple of miles while I get an even mix of more pure city/highway driving.

I generally get about 26MPG with a 50/50 mix of hwy and city driving. I've managed over 34MPG on nothing but interstate. I've logged just over 12k miles with an average of 28.6!! I keep track of every fill-up also. Not too bad IMO:thmsup:

I drive 90% highway every day and sit in 40 minutes of traffic in the morning, less at night and I get on average 25mpg. I have an EX-L V6. Going on my first road trip next week so I'll have 100% highway and since I'm leaving at night I shouldn't hit any traffic. Hoping to see the 30MPG mark.

I hit 30.3 MPG on a 400-mile trip, 95% highway, 5% city. EX-L V6 5AT

Let's take a second to calm down. There is no need to upset yourself over mistaken facts. Firstly, there are many factors and variables involved when calculating MPG. It is quite possible to get better MPG on a V6, but you have to take everything into account.

City/highway driving, method used to calculate MPG, etc. Overall, as a package deal, the I4 gets better MPG than a V6. On a side note, the V6 is awesome in terms of the amount of power it puts out in relation to the MPG.

There are no variables calculating fuel mileage. The only correct way is miles driven/gallons pumped.

It is best to keep a running calculation of mileage. For best results don't just use one tank's worth to calculate. Calculate it over several tanks. I keep a running log with overall miles/fuel used. The bigger the sample, the better the result.

Agreed. I took it a step further however, and have tracked every ounce pumped in since the day I bought the car. I keep all the data on spread sheets. One for 2008, and one for 2009 so far.
The only problem with this method is you can't miss a receipt/data entry. For the calculations to be accurate, you MUST enter every gallon pumped, every time. I use trip A, and reset at every fill.

I get around 22 MPG, 90% city 10% highway... I do like to use my car's power though; I'm sure my fuel economy would be a lot better if I drove like a grand'ma (no offense to anyone).

When I go on road trips (90% highway), I usually get around 30 MPG. The 5th gear on the I4 is nicely tuned, I like it.

is this fake from h-i?

if not, disregard this message. lol

90% hw, get 32-34 consistently.

It took my car until about 1800-2000 miles before the gas mileage is where it's at today.

ok ok im calm im calm..well lets see...im about 60/40 city/hwy. i keep it under 2500 rpm. i usually reset my trip miles on every full tank...and i just estimate the mpg when my gas goes to half by taking the miles, doubling them, then dividing them by 18.7 liters for the tank. :\ still only 19mpg...at best (grandma driving) :thumbsdow

Since your talking about filling up with liters you will need to convert liters to gallons for a proper mpg reading.

Also since your talking about liters I'm guessing the distance driven in your country is tracked by km's and not miles. So you need to convert both km's and liters for an accurate reading. :thmsup:

I can consistently get 450 miles to the tank, and I drive almost 100 percent city from home to school. I drive a stickshift, so rolling in neutral to stops, going easy on the gas and brakes help me. On a drive from LA to San Jose, it took me a little more than half a tank, and I cruised at roughly 75-80mph.

How many miles are you guys getting from Full to 1/2 tank versus your overall mpg? For example, on my old 7th gen V6, if I got 150-160 miles out of the first half of a tank (from full to the halfway mark), then I'd usually end up with about 22-23 mpg for the whole tank.

My 8th gen I4 is killing me because I've already got 220 miles on the tank and the needle is still a bit above the halfway point (it's at about 5/8ths of a tank). On my 7th gen, the needle would barely be above the 1/4 mark after 220 miles on an average tank (~22-23 mpg). So I'm kinda curious as to how well my K24 is doing on gas so far. I'd fill it up and find out, but I've heard the results are more accurate if you wait until it's closer to empty before filling it up and recording your gas mileage.

I hope this car is at least a few mpg more efficient than my old Accord. It should be, considering that it's a 4-banger and the other was a V6, but after seeing so many K24 owners around the net claiming that they get horrible mileage (like 17 mpg city), I'm a bit worried...

At 1/2 tank, I'm usually right at 200mi on average. Sometimes higher, sometimes lower, depending on how spirited I'm driving for that first half tank.

At 1/2 tank, I'm usually right at 200mi on average. Sometimes higher, sometimes lower, depending on how spirited I'm driving for that first half tank.

Thanks :)

And that's with you getting 24-25 mpg on an average tank? If so, then that means that I'm doing pretty well so far on this tank. The car only has 220 miles, so this should be the worst tank, based on my experience with my past Hondas. On my '02 AV6, the first tank was only 16mpg. After break-in, it improved to an average of 22 mpg. On my '07 AV6, the first tank was 19 mpg. That one improved to an average of 23 mpg after break-in. So if this car can average 26+ mpg for me in city driving, I'll be happy :tongue:

Just filled up at just a little above half a tank. 8 gallons at 220 miles which is 27.5 MPG. I do not baby my car at all. I have 3K on it now and shift between 4-6K, etc. Basically I drive it like it should be driven. It really likes to run so I let it :biggrin:. I also accelerate away from lights shifting high in the range. Probably could get better MPG but hey its only maybe costing me $5 per week so what, one less latte...:thmsup:

6-6 with 70% highway here and I always get 26 or 27 mpg with frequent trips to redline.

Just filled up at just a little above half a tank. 8 gallons at 220 miles which is 27.5 MPG. I do not baby my car at all. I have 3K on it now and shift between 4-6K, etc. Basically I drive it like it should be driven. It really likes to run so I let it :biggrin:. I also accelerate away from lights shifting high in the range. Probably could get better MPG but hey its only maybe costing me $5 per week so what, one less latte...:thmsup:

Nice :)

So I'm getting about the same mileage then, except that I'm being fairly gentle on my car considering that it's only got 250 miles on it now. I have made a couple of trips up the tach to 5-6k, and quite a few to 4k, but most of the time I'm in the 3k and below range. My car's an auto, so it's not gonna get the same kind mileage as your manual, but I'll be happy if it averages in the mid 20's with moderate to semi-aggressive driving.

BTW, did your mileage improve much with break-in?

I have been hearing that the mileage gets better at 15,000. I have a long way to go!

I ignored my mileage on my 09 Accord I4 EX AT sedan until it got broken in (it seemed low..). However, on my first 'official' road trip from in October from Wisconsin to northern Minnesota (400+ miles freeway/highway each way) averaging 65-70+ MPH each way (mostly on cruise, no AC, it's cold), at 4,356 miles on my odometer, I got 31.2 MPG there and 31.4 MPG back. Curising around in the 'burbs there I got 26.7 MPG. I use BP regular gas. So I'm happy.

Actually my mileage was better the first 1K. It was between 28-29 with a 60/40 H/C split. I was taking it easy during the break in period, manual says first 500 or so but no hard shifting till I passed 1K. I did wind it up slowly during the first 1K to 4-6K but only after the first 500 miles
I still do not do WOT, probably when I pass 5K. Did one short hw trip so it was more like 75/25 H/C split and I got about 30-31.

IDK but the manuals always seem to do better no matter how you drive. I sometimes think they know people with manuals will drive them a little harder so
it makes up the difference for the loss in the torque converter. HW is not to bad since it locks up. Sound like you are doing fine. I have noticed with my past manuals that if I shift very conservatively I can always beat the stated mileage ratings with no problem.

When I first got my Accord I4 LX-P in May 2008, I was on a tight budget and commuting a fair distance on mainly MA highways.... I def made a spreadsheet and kept track of my average MPGs from May 2008 thru the winter of 2008-2009. I definitely had some tanks where I got 600 miles to the entire tank..... However, i noticed a decreased in avg MPGs (total miles driven using the trip counter / gallons put in as displayed by the filling station meter) in the winter and fall months (noticeable 2-5MPGs difference). I wasn't too concerned about the AVG difference between summer and winter.

What I am concerned about is how i have never been able to get close to 600 miles per tank again.... and all other factors have remained the same: driving style has not changed, route has not changed, etc. Gas blends may have changed and of course the car is accumulating mileage, but all relevant services and oil changes have been done (car has over 20k on it now)...... I am slightly concerned.....

Furthermore let me postulate this:

Could it be that some owners can't achieve the rated MPGs b/c of the rear brake pad issue?? Any of the following issues related to the rear brakes (if they exist or not) could potentially affect the AVG MPGs for the owner:


Rear brake pads sticking due to non lubed slides, road salt formulations, etc
Parking brake adjusted too tightly from factory
Problem with the EBD, cruise control's use of brakes, etc.


It isn't rocket science to postulate that troubles with the rear brakes could BE the REASON why some owners have not been able to achieve the MPGs they deserve..............

Well, I got 26.9 mpg on my first tank with about 80% city driving. I could've done better, but after taking it easy for the majority of the first half of the tank, I got bored and started driving more aggressively on the second half. I was able to drive 260 miles by the time the needle reached the half-tank mark, but thanks to a heavier foot after that point, I only got to 383 miles on the tank before I filled it up with 14.25 gallons at a little below a quarter-tank.

If my mileage improves more with break-in, I'll be thrilled, but even if it doesn't, I'll still be happy. After all, 26.9 is roughly 3-4 mpg higher than what my old car was getting on 93 octane and 4-5 higher than it was getting on 87. I can't wait until it breaks in and I have the opportunity to try 93 octane and see if it makes any difference in both performance and fuel economy (it did in my '07 V6 - very noticeable).

Glad to see I get the same numbers as many of you here. When I drove only highway to work, I would get 32mpg consistently (and even 37 driving I-80 across the country). With a mixed schedule now I average 26-27.

I'm driving about 75% hwy at 75 mph and only getting 320-360 miles per tank, which is roughly 20mpg. My old car with a 6cyl, supercharger and over 140,000 miles on it got 23mpg. I am starting to wonder if something is wrong here.

I'm driving about 75% hwy at 75 mph and only getting 320-360 miles per tank, which is roughly 20mpg. My old car with a 6cyl, supercharger and over 140,000 miles on it got 23mpg. I am starting to wonder if something is wrong here.

It's funny you mention that.

I just bought an Autometer Ecometer to help keep track of my mileage and so far it's been pretty interesting to monitor the instant mileage during different driving situations. Honestly, after watching the mileage fluctuate in a variety of conditions, it's no wonder some people get so-so mileage with their 4-cylinder Accords.

If you're on a flat road, the mileage is great (the Ecometer showed 35-36 mpg at a steady 70 mph cruise and upwards of 40 at lower highway speeds), but as soon as you hit an incline fuel consumption goes up tremendously (trying to maintain 70 mph up a slight incline dropped the mileage down into the mid 20's). With slightly higher speeds and frequent stabs at the gas to maintain speed or pass other vehicles, I don't doubt that this car's mileage can drop to 20 even with mostly highway. The 4-cylinder/automatic combo has its work cut out for it in a car this heavy that punches a pretty big hole through the air. In some cases, a car with a larger, more powerful engine can get better mileage than this one because its engine doesn't have to work as hard to move the car. For example, unlike the Accord, your old car with a supercharged V6 (GTP?) didn't require as much throttle input to get it up to speed and had enough torque to maintain speed up inclines without having to dig deep into the throttle. My old car, a 2007 Accord V6, was like that. While it was hardly a torque monster in its own right, it weighed about the same as my 2010 EX I4 and had much more torque, which allowed it to maintain speed up hills with very little throttle adjustment. No wonder my mileage isn't that much better now, even with two fewer cylinders.

Highway driving is one thing, but what about city driving? The 4-cylinder should fare better there, right? Not really. When accelerating from a stop, mileage is in the single digits until about 20 mph and remains in the mid to upper teens from then until you get up to cruising speed. And that's with moderate acceleration. With heavy acceleration, expect the mileage to stay in the single digits/low teens until you stop accelerating. Anyone who spends a lot of time idling in traffic and driving at low speeds is gonna get terrible mileage in this car. Its sweet spot is cruising at lower speeds on flat roads. If one could drive 45 mph on flat roads with very few stops and no idling in traffic, I have little doubt they could get 40 mpg out of this car. But in the real world? Not gonna happen, unfortunately :(

Assuming the dealer filled up the tank all the way, I got 28 mpg driving my brand new Accord (car had 3 miles on odometer at start of trip) on the 100 mile trip home (if dealer didn't fill all the way, my mileage calculaition would be higher). All highway mileage was at top speeds of 60 - 80 mph. I mixed it up some to avoid running engine at constant rpm and was gentle accelerating as am breaking in this engine / car.

After filing tank all the way, took a 200 mile trip about 25% local roads and 75% highway including some stop and go traffic. Top highway speed was 80 mph or so and usually above 65 mph. Fuel economy of 26 mph recorded.

Based on above, I would expect to hit the rated 31 mpg on highway after a few thousand miles of break in and more sedate top speeds (as you know, wind resistance increases with square of speed).

I get about 32-34mpg on total highway driving. City driving is 23-24mpg. Good thing about living on the Coastal Plain ;).

Des,

TH23, good stuff there.

I've been getting around 27mpg consistently no matter how much I rev it. That
s with mostly highway driving but a decent amount of city as well.

I'm kind of wishing I spent the extra money to get a 6 now.

Well, now I have 225 miles on the trip & I'm not even at a 1/2 tank yet.

Well, now I have 225 miles on the trip & I'm not even at a 1/2 tank yet.

You're doing pretty good then :)

On my first tank (I'm only on my second tank now lol), I made it to 255 miles at a 1/2 tank. I ended up getting 27 mpg for the whole tank. So if you make it further on the first half of the tank than I did, then you're probably looking at better than 27.

I can't wait until I fill up again and run through a whole tank so I can see how well this Ecometer really works. I bought it well into this tankfull and so far, I've only used it to get an idea of what kind of mileage I'm getting per trip instead of per tank. It says I'm averaging 23.8 on my round trip in the city to work and 31.5 on the mostly highway round trip to my boy's house. It's not a bad little toy/gadget for $69. If it ends up being accurate enough to come close to my actual calculated mileage, I will start recommending it to everyone with a non-Navi Accord. Honda really should've just made a fuel economy trip computer a standard feature instead of reserving it for the models with Nav, Hybrids, SUVs, and the Fit. Even the Civic doesn't have one unless you get the Hybrid.

7k miles here. I just rode from NC to FL doing 70 mph, windows up and without A/C and according to my scanguage, I got 37mpg for the trip. This is the best I have done in my car by far. 2 total people, and a 5 day trip's worth of luggage as well.

I'll revive this thread for the 2010 series cars

Lx-s coupe i4

900 miles in first week of use on this car. 60 mile commute 4x a week and did two trips from Houston to San Antonio and Houston to College Station for work.

I've only gassed up twice, both times about 400 miles on the tank with a lil less than quarter tank and 27 mpg both times. On long trip to and from San Anton 100% highway got 280 miles at half tank. I drive like a dick, frankly, have an enlarged 06 tsx IM on the car and takeda sri.

on my i4 sedan.. i put about 483 mile total from valentines day till now. had to refill the tank today and it stopped at around 15gal.

drove mainly highway miles, top speed is 80mph, but between 70-80mph. so about 32.2mpg; if i did my math correctly.

today, drove mainly local with AC on, and at 96 miles, i already see the gas level coming down.

maybe have something to do with air pressure in the tires?

i got 34.5 MPG driving to ann arbor on the interstate...forgot to calculate on the way back haha...

usually in the city i get 19-21mpg but i drive somewhat aggressively

I get 26-27 with about 90% driving. I'm hoping 20s are to blame..

They are..haha

I get 26-27 with about 90% driving. I'm hoping 20s are to blame..

Apparently, it's that other 10% of not driving that's killing you. :tongue:

^ lol

I usually get around 400 or so per tank when I'm doing normal city driving/flogging it. Highway trips yield in excess of 450 miles, so I'm happy for the most part.

I'm driving about 75% hwy at 75 mph and only getting 320-360 miles per tank, which is roughly 20mpg. My old car with a 6cyl, supercharger and over 140,000 miles on it got 23mpg. I am starting to wonder if something is wrong here.

Whoa....I get 350 miles per tank easily all city driving with the V6!! 21-22MPG

I would have that checked for sure.....