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Honda Civic Real World MPG

2058 messages,  Last post on Aug 26, 2009 at 6:19 PM

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What is this discussion about? Honda Civic, Fuel Efficiency (MPG)

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#1820 of 2058 40.5 mpg @ 73 mph by ts45 Sep 21, 2008 (3:01 am)
Just and update, have not posted for awhile.   Our 2007 1.8 EX Coupe on a recent trip from Mobile, Al to Chicago, Il. delivered 40.5 MPG on the road. Seems like mileage has gotten better. With AC on, 2 people, luggage.   I do top off the tank, to the rim, car has not blown up as yet (some have warned about topping off). The reason I top off is really check the mileage as accurately as possible.   Around town, stop and go getting 25.5 to 28.5.   My goal was to purchase a 40 MPG car (on the road mileage) and the Civic has delivered.    73 MPH I can live with, really a pretty comfortable speed. Replies to this message: kipk (Sep 21, 2008 3:34 am)
#1821 of 2058 Re: 40.5 mpg @ 73 mph [ts45] by kipk Sep 21, 2008 (3:34 am)
Replying to: ts45 (Sep 21, 2008 3:01 am) >"I do top off the tank, to the rim, car has not blown up as yet (some have warned about topping off). The reason I top off is really check the mileage as accurately as possible."   Just curious. Are you waiting for something to go wrong? Something that could be very costly, before you heed the warnings?   Your mileage check would be just as accurate if you fill the tank with the pump at the slowest setting. Wait for it to click off. Wait about 5 seconds for the bubbles to settle. Then gently fill to the next click.   Kip
#1822 of 2058 by kenlw Sep 21, 2008 (5:21 am)
If your area is on seasonal ethanol usage, you may have started using non-ethanol laced gasoline. That will suddenlty and dramatically increase mileage. But if that is the case, expect it to go back down in the spring.
#1823 of 2058 Getting BAD MPG! by sphere99 Sep 29, 2008 (6:11 pm)
I have an 08 Automatic Civic and city driving (downtown chicago) getting 18-19pmg, shouldn't I be getting better then that? I have 13k miles. Please help! Replies to this message: targettuning (Sep 30, 2008 9:57 am) ruking1 (Sep 30, 2008 11:45 am) kipk (Oct 01, 2008 2:23 am) thegraduate (Oct 06, 2008 2:37 pm) izmirian (Sep 30, 2008 10:22 am) wai (Oct 04, 2008 3:25 pm)
#1824 of 2058 Re: Don't waste money ! [kenlw] by targettuning Sep 30, 2008 (9:49 am)
Replying to: kenlw (Sep 18, 2008 9:58 am) Gas in the U.S. of A. is 87 octane minimum but as those who drive into Mexico and points south know Pemex regular gas is less than 87 so one may actually encounter sub 87 octane within driving distance outside of the continental US (Mexico) Replies to this message: pescatore (Sep 30, 2008 7:10 pm)
#1825 of 2058 Re: Getting BAD MPG! [sphere99] by targettuning Sep 30, 2008 (9:57 am)
Replying to: sphere99 (Sep 29, 2008 6:11 pm) Probably not. I thought that by now everyone knew the dynamics of heavy city (read...stop and go with more stop than go) is by far the worst circumstance for fuel economy. Remember, you are getting ZERO mpg much of the time (while stopped) and not much better on the "go" part because you accelerate (and there is another No-No for good fuel economy) to only a modest speed before stopping yet again. The cycle repeats and fuel economy goes down the tubes. 18-19 is actually good under these difficult conditions. Replies to this message: ruking1 (Sep 30, 2008 11:45 am) kipk (Oct 01, 2008 2:23 am) thegraduate (Oct 06, 2008 2:37 pm)
#1826 of 2058 Re: Getting BAD MPG! [sphere99] by izmirian Sep 30, 2008 (10:22 am)
Replying to: sphere99 (Sep 29, 2008 6:11 pm) it think that's way too low. I just got mine and getting around 31 to 35mpg both highway and city. I'd recommend to take it to the mechanic.
#1827 of 2058 Re: Getting BAD MPG! [targettuning] by ruking1 Sep 30, 2008 (11:45 am)
Replying to: targettuning (Sep 30, 2008 9:57 am) I would hazard a guess and say correct. Doing the kind of driving (downtown Chicago) is probably one of the most grueling environments for this persons Civic!
#1828 of 2058 Re: Don't waste money ! [targettuning] by pescatore Sep 30, 2008 (7:10 pm)
Replying to: targettuning (Sep 30, 2008 9:49 am) "Regular" gas at a Shell station in Estes Park, CO was 85 octane. "Regular" gas at an EXXON in Cody, WY was 85.5 octane. same for Casper, WY, Jackson, WY, Grant Village at Yellowstone, and Ft Collins, CO.   There's plenty of places in the U.S. of A. where gas is less than 87 octane.
#1829 of 2058 Re: Getting BAD MPG! [targettuning] by kipk Oct 01, 2008 (2:23 am)
Replying to: targettuning (Sep 30, 2008 9:57 am) >"Probably not. I thought that by now everyone knew the dynamics of heavy city (read...stop and go with more stop than go) is by far the worst circumstance for fuel economy."   Good Post! That pretty much sums it up.   sphere99,   City driving is different for every person. Heavy traffic, lots of stop and go, and short trips do seriously effect mileage. Can't expect good mileage while burning fuel at a traffic light or creeping along at 1 mph.   Take it out on the hyway and drive a conservative 65 and see how she does.   Kip

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