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Discussion Starter · #1 ·
I just hit 200 miles on my new civic yesterday and it's reading an average of 25 mpg. I'm not accelerating heavy at all. I saw a guys post on here talking about 50mpg?? What's everyone else getting? Is there something wrong with my ride? Thanks!
 

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I just hit 200 miles on my new civic yesterday and it's reading an average of 25 mpg. I'm not accelerating heavy at all. I saw a guys post on here talking about 50mpg?? What's everyone else getting? Is there something wrong with my ride? Thanks!
I'm getting 25.xx too. But I chill in my car. Do you chill in your Civic, i,e lots of idling, drive thrus and loads of stop and go? Those ppl getting 40 are highway hillbillies. 50+ are highway overpass trolls.
 

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Discussion Starter · #3 ·
I'm getting 25.xx too. But I chill in my car. Do you chill in your Civic, i,e lots of idling, drive thrus and loads of stop and go? Those ppl getting 40 are highway hillbillies. 50+ are highway overpass trolls.
Maybe a little bit, not a ton tho. Now that I'm thinking about it I have been blasting the A/C tho, in 105 degree heat, so that's probably killing my mileage. I'm looking into getting a heat rejecting tint ASAP.
 

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I got just about 1200 miles on my 19th gen si and I get about 28-30MPG city and 35-39hwy depending how much im getting on it. I have those tints and they definitely help out with keeping the car cooler not having to blast tha AC as high.
 

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Discussion Starter · #5 ·
I got just about 1200 miles on my 19th gen si and I get about 28-30MPG city and 35-39hwy depending how much im getting on it. I have those tints and they definitely help out with keeping the car cooler not having to blast tha AC as high.
Thanks for the info, I keep looking up reviews on different heat tints making sure it'll actually help and not just a gimmick. I'm gonna go for it. Feels like I'm getting cremated after its been in the work lot all day.
 

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Thanks for the info, I keep looking up reviews on different heat tints making sure it'll actually help and not just a gimmick. I'm gonna go for it. Feels like I'm getting cremated after its been in the work lot all day.
No problem! Yeah I hear ya it gets ridiculously hot and humid here in FL but these help out. I believe they are ceramic the dealer said? I could be wrong but he said they were the best blocking out over 60% of the heat and they do not effect electronics such as GPS or cell service. Good luck post a pic with them!(I went real dark as well 5%)
 

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Discussion Starter · #7 ·
No problem! Yeah I hear ya it gets ridiculously hot and humid here in FL but these help out. I believe they are ceramic the dealer said? I could be wrong but he said they were the best blocking out over 60% of the heat and they do not effect electronics such as GPS or cell service. Good luck post a pic with them!(I went real dark as well 5%)
That looks sleek man I want mine that dark. I'll for sure post pics. What did that run you?
 

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I am averaging 38.5 so far. I have a long commute though and traffic isn't very bad. If I only include my commute then I am getting 40+. You can see your 2 most recent drives on by selecting home and then info on the infotainment screen. When I drive in town ie short drive to the store I get about 25
 

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For those claiming 50mpgs I would say that not average and more so maybe a long road trip or something. I drive a lot of highway and baby the gas plus drive the car in eco mode mostly and averaging around 37-39. I also use 93 octane.
 

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I drive mostly rural with light traffic 30-35 mph and get 40mpg summer and 35mpg winter, 2.0lt 6-speed
 

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I'm sure that I'm going to be sounding like a broken record to some (broken record? WTF does that mean?), but the fuel economy indicator in the car is not an accurate or really terribly effective indicator of your actual fuel economy numbers. If you are legitimately concerned you should be tracking the ACTUAL fuel economy based upon fuel consumption versus miles traveled. In order to do this you must fill the tank completely every time and track usage for more that two consecutive tanks. Also, economy can vary significantly from tank-to-tank so it is always better to look at consumption over a long period of time rather than just one tank, or two.

The obvious things which can affect fuel economy is the style and type of driving, long periods of idling, and ancillary loads (like air conditioning use or significant electrical draws). Ambient temperatures can also have some effect, especially very cold weather (the air density decreases which will produce lower fuel economy), but for the most part warm weather works the same as hot weather so long as the A/C isn't switched on.

I myself have averaged just over 36 mpg total for the 4-1/2 months I've owned my car. Total mileage driven is about 7,800 miles so far, and there is an advantage to using the "ECON" button in the car, but it so drastically ruins the performance that the car is dissatisfying to drive (but I managed approximately 4 mpg better when using it). Everyone's results will vary, and I encourage anyone who's interested to find a method of tracking economy which works for them. Make an Excel spreadsheet, keep a notebook in the car, or use a website. I myself use gas buddy.com as they also provide local fuel pricing information based upon member submissions, which is helpful, and this website is free (I have no affiliation with them other than being a member and using the site for my own purposes).

Finally, I do use whatever is available as "Premium" unleaded fuel locally (usually 91 octane using the (R+M)/2 method), which not only offers a benefit to a high compression motor but also also should yield better fuel economy due to it not limiting the performance of the GDI engine.

I am attaching a screenshot of my current fuel usage tracking from the website that I use to show an example of the variance in my fuel economy. For what it's worth, my daily commute is (26) miles each way, mostly interstate highway, cruise control set at (65) mph with minimal stop-and-go. However, all of my non-commuting mileage is in town with heavy stop-and-go, and is typically about 1/4 of my overall driving. I suspect that if I could remove the in-town driving from my habits I could regularly return about (40) mpg from every tank.
 

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Discussion Starter · #13 ·
I'm sure that I'm going to be sounding like a broken record to some (broken record? WTF does that mean?), but the fuel economy indicator in the car is not an accurate or really terribly effective indicator of your actual fuel economy numbers. If you are legitimately concerned you should be tracking the ACTUAL fuel economy based upon fuel consumption versus miles traveled. In order to do this you must fill the tank completely every time and track usage for more that two consecutive tanks. Also, economy can vary significantly from tank-to-tank so it is always better to look at consumption over a long period of time rather than just one tank, or two.

The obvious things which can affect fuel economy is the style and type of driving, long periods of idling, and ancillary loads (like air conditioning use or significant electrical draws). Ambient temperatures can also have some effect, especially very cold weather (the air density decreases which will produce lower fuel economy), but for the most part warm weather works the same as hot weather so long as the A/C isn't switched on.

I myself have averaged just over 36 mpg total for the 4-1/2 months I've owned my car. Total mileage driven is about 7,800 miles so far, and there is an advantage to using the "ECON" button in the car, but it so drastically ruins the performance that the car is dissatisfying to drive (but I managed approximately 4 mpg better when using it). Everyone's results will vary, and I encourage anyone who's interested to find a method of tracking economy which works for them. Make an Excel spreadsheet, keep a notebook in the car, or use a website. I myself use gas buddy.com as they also provide local fuel pricing information based upon member submissions, which is helpful, and this website is free (I have no affiliation with them other than being a member and using the site for my own purposes).

Finally, I do use whatever is available as "Premium" unleaded fuel locally (usually 91 octane using the (R+M)/2 method), which not only offers a benefit to a high compression motor but also also should yield better fuel economy due to it not limiting the performance of the GDI engine.

I am attaching a screenshot of my current fuel usage tracking from the website that I use to show an example of the variance in my fuel economy. For what it's worth, my daily commute is (26) miles each way, mostly interstate highway, cruise control set at (65) mph with minimal stop-and-go. However, all of my non-commuting mileage is in town with heavy stop-and-go, and is typically about 1/4 of my overall driving. I suspect that if I could remove the in-town driving from my habits I could regularly return about (40) mpg from every tank.
Thank you for the detailed response! I'm definitely going to start tracking my fuel and use eco mode more, and likely will start using higher quality fuel as gained miles could offset the small difference in price.
 

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I just hit 200 miles on my new civic yesterday and it's reading an average of 25 mpg. I'm not accelerating heavy at all. I saw a guys post on here talking about 50mpg?? What's everyone else getting? Is there something wrong with my ride? Thanks!
Under the worst conditions, short trips, lots of red lights, extreme heat (AC on continuously), I get 20. Sounds bad, but I got 14-15 in my V6 Mustang under those conditions. With some highway driving thrown in, I get about 24. Lots of highway with only some AC, about 28. That is a miracle considering how I drive. The MPG calculator in the IP consistently reads only about 1 mpg high, but the numbers I listed here were calculated manually.
 

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Discussion Starter · #17 ·
I'm definitely going to make the switch to premium fuel. I've only fueled up once since purchase and it was with regular. From what y'all are saying it will likely help with the mileage and it'll just be better for the life span of the car.
 

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I average about 34 mpg with about 3800 miles on my hatch sport. I don't do much hard accelerating and drive pretty regular. It's been really hot here in NJ lately so I've had the ac on a lot as well. Also it's important to note that you should be using premium gasoline with this engine because it is turbocharged and 89 octane will only hinder it.
 

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Another thing that kills MPG is remote start. I did a week of remote starting the car down here in Dallas, and a week of just rolling the windows down. The MPG difference is about 28MPG vs 35MPG between two tanks. So you're looking at roughly 8MPG difference if you remotely start the engine.
 
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