2012 Civic MPG - share your current gas mileage

Midian ... I don't know what you're driving(coupe ex here), 32 lbs of air f/r ......... You can find you air listed on driver door frame.
 
Stephey said:
Honda's almost always have several gal left when they show "empty". It's not bad for the engine to run them extra low/out of gas. What it damages is the in tank fuel pump. It uses the fuel to cool and lubricate the pump. Running it out of gas is going to take 20-30,000 miles of life out of the pump. I'm willing to bet when the low fuel light comes on and you have 1 bar left, you will have a hard time putting over 10 gal in. Also do NOT top the car up, that will damage the evaporative emissions system.

And what is more exact by running the car out of gas? Set the trip meter, drive till the low fuel light comes on, then refill and do the math. My MPG is: if I "drive like a granny" has been 33-34 in town. Driving what I consider normal which is zipping away from lights, shifting at 4K etc (maybe 6000 a few times) is 26-28ish in town. It averaged 38 MPG on a 600 mile trip with the cruise set at 70 on a hot day with the a/c blasting. BTW what does the in car meter say you're getting?
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Ahhh i see so its the fuel pump thats gret to know. Your very knowledgeable thanks! so when the fuel light comes on you usually have 3 gallons left. well if thats the case then that would be great and i should be getting like 400ish if it actually got completely empty. So thats pretty good kinda like what you said 32-33mpg i can live with that i guess expecting that 39-40 is just not gonna happen. Thanks for you input :)
 
SiEnthusiast said:
You do not need to do this... The best way to get an estimate, is to fill it up, reset the trip meter, drive down to when the light comes on, fill up again, see how many gallons went in(you wasted), and divide the miles by the gallons you put in
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Wow over 30mpg on an si thats really good! i just have a regular dean lc so i would expect more on my car. we will see how it does on its 2nd tank of gas lol. I will do just that reset and calculate how many gallons i put in wait till the fuwl light turns on.
 
You can get 39-40 if you drive on the highway 95% of the time, and get no traffic in city.
My friend gets 37-40 regularly on full fuel ups on a LX coupe

Great thing about this car is that even in city driving with traffic i still pull out 25 mpgs, while on the highway with my wrangler i was at 13-15 mpg
 
SiEnthusiast said:
You can get 39-40 if you drive on the highway 95% of the time, and get no traffic in city.
My friend gets 37-40 regularly on full fuel ups on a LX coupe

Great thing about this car is that even in city driving with traffic i still pull out 25 mpgs, while on the highway with my wrangler i was at 13-15 mpg
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Thats what im looking forward to 37-40 mpg i will be happy when i get that. Lol i too have a 1989 jeep wrangler sahara edition i get 13 mpg. my g37 coupe gets 21mpg average
 
I had an '01 TJ, but being the 3 speed auto i6 it was a gas hog, i would be wasting around $12-15 everyday instead of the 1 gallon on the civic.
 
Midian said:
Wow over 30mpg on an si thats really good! i just have a regular dean lc so i would expect more on my car. we will see how it does on its 2nd tank of gas lol. I will do just that reset and calculate how many gallons i put in wait till the fuwl light turns on.
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If you used your 1st tank like I did you won't get much on fuel milage, I was sitting in the car a lot (with it running) trying to figure out all the different things it does(idling).
I'm getting around 32/38 town and country.
 
The other thing I would suggest it see the thread about breaking in a new engine. The first few hundred miles is NOT when you should be driving the car like a granny trying to milk out MPG..
 
Monk said:
If you used your 1st tank like I did you won't get much on fuel milage, I was sitting in the car a lot (with it running) trying to figure out all the different things it does(idling).
I'm getting around 32/38 town and country.
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Haha idling yeah i definitely wont do that at all
 
Stephey said:
The other thing I would suggest it see the thread about breaking in a new engine. The first few hundred miles is NOT when you should be driving the car like a granny trying to milk out MPG..
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OOOooooo i see well that is different i always thought babying the car to break it in correctly before like 1000 mile mark.
 
I just filled up my gas tank today with no []'s remaining it filled up with 11.47 gallons meaning i have 1.73 gallons left i got a total of 330 miles and it cost me $47.50 So i got 28.7 MPG..... :( I dont know what kind of gas they put if it was 76 or Arco i know those fuels dont last i usually use Shell or Chevron. I put Chevron today. We will see how that goes.
 
Midian said:
OOOooooo i see well that is different i always thought babying the car to break it in correctly before like 1000 mile mark.
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That is the WORST thing you can do to a new engine.. You will never get the performance of MPG the car is capable of breaking on in that way.
 
Midian said:
I just filled up my gas tank today with no []'s remaining it filled up with 11.47 gallons meaning i have 1.73 gallons left i got a total of 330 miles and it cost me $47.50 So i got 28.7 MPG..... :( I dont know what kind of gas they put if it was 76 or Arco i know those fuels dont last i usually use Shell or Chevron. I put Chevron today. We will see how that goes.
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Which civic do you have? What type gas are you filling up with? 87/89/91/93
When i got my Si from the dealer the dimwitts filled it up with regular. Filling it with 93 now, car runs way better and is better on gas and response.
However if you have an LX, i think they are made to run on 87
 
SiEnthusiast said:
Which civic do you have? What type gas are you filling up with? 87/89/91/93
When i got my Si from the dealer the dimwitts filled it up with regular. Filling it with 93 now, car runs way better and is better on gas and response.
However if you have an LX, i think they are made to run on 87
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Its a 2012 honda civic sedan LX im using 87 yeah i thik your car runs on 91 since its an SI model. I use 91 on the G37 cause thats what it says to use for best performance.
 
I use 93 on the Si, but yea 91 is good enough.
I mean the figure is a little low but it's your first tank, don't sweat it. I know i wasted alot of gas the first week i had the car by just sitting in the car and exploring the dash, i still burn some gas waiting for school to start in the car as well.
 
SiEnthusiast said:
I use 93 on the Si, but yea 91 is good enough.
I mean the figure is a little low but it's your first tank, don't sweat it. I know i wasted alot of gas the first week i had the car by just sitting in the car and exploring the dash, i still burn some gas waiting for school to start in the car as well.
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Yeah in cali we honda have 91 max no 93 here or not that i know of. Well hopefully I better gas mileage this time.
 
http://www.dansmc.com/engine_breakin.htm

"This is what I do with a freshly rebuilt engine. It will work on new engines too. On a straight, deserted road, I put the bike in second or third gear and accelerate with wide open throttle to about one or two thousand RPM BELOW red line. I then shut the throttle and coast down, in gear, to two thousand RPM or so. I then do it again. I do this about ten times. Then I ride around for a while at an easy pace. I do this several times, if possible. This seats the rings without overheating the engine."

What this person posted is what I do. You want to load the rings to seat them but then drive easy to let the heat from the internal friction subside, then load it again. Never drive at a steady speed, light throttle for the first few hundred miles.
 
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