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Sedans Honda Civic Honda Civic Real World MPG
2058 messages, Last post on Aug 26, 2009 at 6:19 PM
You are in the Honda Civic Forum. Your Hosts are pat & karens
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Replying to: 40beast07 (Nov 24, 2007 5:21 pm) My one caution is that very unfortunately, the Si has a desperate lack of torque, and if I have more than 2 people in the car, I can't maintain highway speeds (60+) in 6th gear. The others are fine, but I just end up having to switch between 5th/6th somewhat often to maintain my speed. Driving is still fine, but the "higher" rpms (4k-4.5k as opposed to the 2.5k-3.5k I normally drive at) in 5th gear hurts mileage a little bit.
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Replying to: kork13 (Nov 25, 2007 10:53 am)  say 3,000-7,000 feet) has been a Z06 Corvette, or VW Jetta TDI. While I can not speak from experience, it would make logical sense a gasser turbo engine would do better over a normall aspirated gasser engine.
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Replying to: ruking1 (Nov 25, 2007 11:02 am) I can speak from experience and the difference has to be experienced to be believed. The only problem I had was that the crap gasoline that they sell in the mountains is not turbo friendly and caused the electronics in the ignition system to constantly have to step in and retard the ignition timing to keep the engine from blowing up.  Best Regards, Shipo |
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Replying to: ruking1 (Nov 25, 2007 11:02 am)
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Replying to: kork13 (Nov 25, 2007 11:51 am) The other alarmingly common issue with CAIs is that I've read dozens of accounts where cars fitted with CAIs injested water causing a "hydrolock" condition that destroys the engine in a single revolution. I'm thinking that you couldn't pay me to fit a CAI on any 8th generation Civic given all of the problems that I've read about. Best Regards, Shipo
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Replying to: shipo (Nov 25, 2007 12:32 pm) |
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Historically, I've always trended toward averaging the EPA numbers on my vehicles. Except the Hondas/Acuras. Not sure what the difference is, but that's been my experience anyway. Our '05 Odyssey never came close to the EPA numbers (20/28) in the same use that our Tahoe always beat its EPA numbers (14/18). Same for the Acura TL used by an employee (20-29). Anyway, my '07 Civic (30-40) sits right around 35mpg when used mainly for highway traveling. I've had a couple tanks recently where I've only driven around town and have been averaging around 27mpg. My "town" driving is nothing like "city" driving as we live in a rural area. I drive 8 miles to town on a 55mph road (hilly and curvy though) and might hit two or three fairly quick traffic lights to get where I'm going. Either way, it appears the '08 EPA numbers for both my Odyssey and Civic are much closer. 17/25 for the Odyssey and 25-36 for the Civic are about right on from what I can tell. So realistically it would seem I would be beating the pants off of some non-honda '08 models. The Pontiac G6 rental I had when my Jetta got hit was averaging 32mpg which was one shy of its highway rating. The '08 G6 is now rated 30mpg highway. Seems weird. Any idea why the Hondas don't seem to do better in real world? I always marked up my Odyssey as not hitting the EPA numbers because of the VCM, but really the Civic isn't much better in the scheme of things. One other question (since the other Honda forums are dead here)....anyone have cold-start problems? Mine seems studder a bit on cold starts. It reminds me of starting my previous diesel when it was 0°F. It usually starts, but stutters for a few seconds before catching and idling normal. I've seen high performance engines do this so I know it can be a characteristic, but wasn't sure. Haven't had a normal gasser do anything like this, but thought I'd ask. It's not really a problem, unless it gets worse I suppose. |
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Replying to: sebring95 (Nov 30, 2007 6:38 am) My wife gets 3-4 mpg less than I do in the same type driving with the same vehicle. She doesn't speed, she simply waits a lot longer before letting her foot off the gas before an up coming stop, then having to use a lot of brake. She tends to follow closer than I do and thus has more gas, brake, gas brake...! I ease away from a stop, she jumps away from one. On the road where I pass someone, she PASSES them. If cruise is not set and she discovers she is loosing some speed, she will accelerate back up to the original speed while still going up hill, where I try to stabelize the speed and gain it back going down the next or on a flat. If we drive a 4 or 6 cylinder car so that we get the same seat of the pants acceleration feel as driving a V8, the mileage will suffer. It is both the big and the little things that add up to poor mileage. With my 4wd Pilot I've gotten 18 mpg on a trip and got 27 on the return trip the very next day with the same load and virtually the weather conditions. The difference was how the car was driven and the speed. Kip
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Replying to: sebring95 (Nov 30, 2007 6:38 am) I also noticed that as the car shifted into 2nd when it was cold it made a weird whirring noise but it hasn't happened again. Just chalked it up to all the other things that happen when it's super cold, like all the dang creaks and pops in the dash. Anyone notice that yet? Sounds so cheap.
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Replying to: kipk (Nov 30, 2007 7:50 am)
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