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Made my first road trip with my new 05 ex and was not impresed with the gas mileage on the highway. I get about 289 miles to the tank in the city so I expected a huge increase on the highway. There wasn't one! I still used over half a tank from Cincy to Toledo which is what my 01 mazda b-3000 used to get and it had a 3.0 V-6 in it! I had the cruise set at 70 mph and didn't get stuck in traffic the whole time. Ran about 3300 rpm the whole way. Is it the V-tec? It was windy on both trips but I just expected more from my new 4 banger. What are you guys getting on the highway?

 
Rep Power: 301

check ur car man, something musta be wrong if you say u don't get good MPG on highways (for ur car being stock)
Cuz i usually get about 400+mpg on highways and 350+City

 
Rep Power: 266

i have a 2001 HX and am getting close to 43 MPG

 
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i'm running a boosted 02 ex sedan and still average 350-400 city of course thats without me pushing it

 
Rep Power: 302

How many miles on that 05? Mileage is kind of low until the engine fully breaks in.

 
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I'd double check your tire pressure. I think the manual says to increase tire pressure to 35 psi for road trips.

Personally, the best I've gotten was somewhere around 36 mpg on a trip through MA and CT with my 2002 lx sedan.

 
Rep Power: 362

eh. I usually get around 350 city/hwy combined ..

 
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Well some times auto. makers will put in the computers, a break in time. My parents had a 4.6 v8 in a ford thunderbird and it kept getting faster and mpg in intervals all the way up to about 2000 miles then it stayed there. I would just put some miles on it and see. Btw how many miles does it have on it?? Also was it a hilly drive. It seems that hills with small tq numbers kills mpg.

 
Rep Power: 266

i get about 290 in the city and 340 on the highway

 
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I got 420 yesterday when I filled up. I still had.5 gallon left too

 
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yesh, its definitely break in...get like 5000 miles before you notice your mileage start to stablize. I got 300/tank at the beginning, then on my trip to vegas from los angeles, i got over 400 on a tank, then it dropped, and eventually stabalized around 380/tank..which is what i get today on my 2001 EX coupe.

last time i took it in for a 30k mile check up, afterwards, it went berserk again. Started getting 220-250 miles/tank, so i went to the dealership complainin, and they checked the car again, said nothing was wrong, so i took it home, and after a few more drives, the mileage stabalized back at 360-380 miles/tank

 
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my 03 civic auto tranny gets in between 41 and 43 mpg on the highway. and if i stay on it through town it still gets 35-38 mpg

 
Rep Power: 320

your mileage will go up all up to your first oil change. My mileage kept going up till about 15k. The engine doesn't really break in till 15-20k.

 
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i get like 340/tank and I sit in a bank drive-through line like 5 times a week for my job, so I idle a lot....

 
Rep Power: 289

95% of the time I get 375-400 miles before the low fuel light goes on. The other 5% of the time, I get 360-375 miles before the low fuel light goes on, either because the weather has been bad or because I wasted lots of gas shifting at or near redline. The last road trip I made where I left the speed control at 70 mph I drove for over 400 miles before the low fuel light came on.

 
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haahah u guys are funny..try getting just barely 200 on a full tank..yea lol..o0 n that was when i was bone stock... i got 80 miles in 4.5 gallons the other day..is that good?

 
Rep Power: 330

dude, wait till about 10-15k miles, youll notice the diff. my first tanks were barely 300, now im gettin 400+ in the city. and i dont think its the vtec, vtec engages at 4300 i believe.

 
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Make sure you run 5w20. Anything thicker will increase windage losses in the engine and make gas mileage a bit worse.

 
Rep Power: 380

Ok... 1st thing thats messing up your calculations., Your'r compairing Half a tank from your civic To Half a tank from your B-3000. THe civic Has a 13.2 Gallon Tank and the B-3000 has a 19.5 Gallon tank... So, You went the same distance on 6.6 Gallons in your Civic that you use to do with 9.75 Gallons in the Truck. Thats a 3 gallon difference.

 
Rep Power: 314

NYC, anything over 1 mpg is good


Last year going down and back to the MA meet thru the hills of PA I got 39 mpg. I was checking close to see if the 17s would kill my mileage!

 
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I just filled up after a trip that was approximately 270 miles of highway at 74 MPH and the last 100 miles (So 370 on the tank)was local on very hilly terrain and pushing it pretty good up the hills to stay at 55-60. It took 10.6 gallons to fill so that gives me ~35 MPG. That is with the new E3 plugs and and a AEM V2 intake. I usually get 325 to 375 per tank no matter what I am driving.

 
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i get about 350+ miles before a fill up with mostly city driving.
the first fill up after i got my new tires awhile ago was 39.5 mpg!!! wtf happened there? i haven't gone over 36.5 mpg since then. that was just a magical tank of gas or something.

 
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It also has to do with what company and grade you're using... For example: I use Shell V-Power (premium, just to make sure I keep my baby runnin great for a long time) which I get about 380 mi/tank as opposed to BP mid-grade (when I get a free tank from my gf) which only gives me about 320-350. Just to note: stock motor and rims w/ new tires and 56k. And when I fill up I still got 1/8 tank remaining everytime.

 
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375 a tank in 110 Degree sun, with the wind and the a/c on the hole time doing about 85 - 110 depending on where the state bacon is on 90

 
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OMG! Would you idiots please give your milage in "MILES PER GALLON" saying how much you got out of a tank is worthless unless you say exactly how many gallons you used. I'm pretty sure your not all filling up at the exact same level. Thank you to those who did use the correct units.

 
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i just assume they mean the typical 1/8th tank remaining, gas light comes on, scenario.

 
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Same here, I even said 1/8 remaining

 
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To: JP 375

Sorry for not being specific enough... 39.789535437156 MPG. Correct me if Im wrong but don't the 7th gen vics have the same size tank? Well at least from year to year?

 
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Don't be a smart---! What hes saying is mileage can vary a lot by saying per tank! (unless its empty to empty!)

 
Rep Power: 403

haha, im getting like 25-27 mpg in my civic if im lucky...