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Sedans Honda Civic Honda Civic Real World MPG
2058 messages, Last post on Aug 26, 2009 at 6:19 PM
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Replying to: ruking1 (Oct 26, 2008 6:38 am) The 6 speed manual Z06 which has 10% more aggressive gearing (than other 6 speed manual Corvettes) has been estimated and EPA rated)loses app 1-2 mpg. (differences on stated gears are 1st gear 17.9% ,2nd gear 22% ,3 rd gear 21% ,4 th gear 32% ,5th gear 39%, (over other Corvette manual transmission gearing, the stable variable being parasitic drag on 6 speed vs 6 speed is app the same) So for example all my MPG results are with with a 4 speed auto. (5 speed manual was available) This 4 speed automatic has an interesting time deciding what gear it wants to upshift down shift to/ in. I had to overcome this situation by just letting it decide. If you press the accelerator to overcome it, you will lose 1-2 mpg , but I digress. So if you are all not totally glazed over by now: "Transmission 5-Speed Manual Transmission Gear Ratios 1st: 3.462 2nd: 1.870 3rd: 1.241 4th: 0.970 5th: 0.711 Reverse: 3.231 Final Drive: 4.111 4-Speed Automatic Transmission Gear Ratios 1st: 2.722 2nd: 1.516 3rd: 0.975 4th: 0.674 Reverse: 1.955 Final Drive: 4.067 " One can do the math and see it takes almost MASSIVE gearing differences to over come the inherent GREATER parasitic drag of the automatic (not to mention the extra (5th) gear. So while this may or may not matter, acceleration and so called performance might be way more sluggish with the automatic. |
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Replying to: cjhepburn (Oct 21, 2008 5:22 pm)
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Replying to: cjhepburn (Oct 27, 2008 4:32 am) Good job !  That over 10% increase in mileage probably won't make a difference in whether or not you eat, but it can bring along a great sense of satisfaction. You also kicked the crap out of the EPA estimates as well as what the "Average" driver gets! You are above and better than average. Also contrary to belief of many people on these forums, you didn't get rear ended by a school bus.  Interesting to see folks speak of how they achieved really excellent mileage and many keep logs of every drop of gas and how it was used. I do that. I don't recall anyone ever asking me, "How many cars did you pass last week" or "How may times did you red line the engine", or "How close can you tail gate", or "How do you stay alive driving the posted speed limits" ? They do ask, what kind of mileage I get. I tell them the average mileage for local driving and the mileage for road trips. Not unusual to hear, "I don't believe that" or "But I thought they got a lot less than that"! Then it is time to show them the "Book" .  Kip |
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I have always "bashed" those who posted 40 mpg and above fuel economy numbers for the 2006-07-08 Civic. We own an 06 EX sedan automatic. Well, I recently purchased a Scan Gauge and have seen averages well over 40 mpg for individual highway trips. My wife reported 44.1 for one leg of a 130 mile round trip to Harrisburg Pa via I-81  65 mph. The return trip yielded just over 40. So I guess I am a convert. The ScanGuage is a wonderful "tool" to help maximize fuel economy.
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Replying to: targettuning (Oct 28, 2008 4:42 am)
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Replying to: targettuning (Oct 28, 2008 4:42 am) I've proven to my car that it can do 40MPG. I know I could limit the speed to 60-65 and accelerate even slower but I don't need scanguage to show me that. Maybe real time data just drives that point home. If I can get it up to 44 MPG without having Prius drivers flip me off as they pass using scanguage then the return on investment is about 27500 miles $2.549Gallon. Is it worth it?
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Replying to: cjhepburn (Oct 28, 2008 9:43 am) So for example, if I were to try some to all hypermileage techniques ( trying to consistently get past 42 mpg) on the Civic gasser (and past 62 mpg on a VW Jetta TDI) it will make the game easier with a scan gauge.
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Replying to: ruking1 (Oct 28, 2008 10:16 am)
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Replying to: cjhepburn (Oct 28, 2008 11:16 am) |
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Replying to: targettuning (Oct 28, 2008 4:42 am)
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