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Chevrolet Malibu MPG-Real World Numbers

282 messages,  Last post on Oct 24, 2009 at 3:58 AM

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What is this discussion about? Chevrolet Malibu, Chevrolet Malibu Maxx, Fuel Efficiency (MPG), Hatchback, Sedan


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#199 of 282
Re: Fuel Economy on 1LT 4 Cylinder [kam327] by phil53
Sep 07, 2008 (5:55 pm)
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Replying to: kam327 (Sep 07, 2008 5:15 pm)

It probably has to do with 2 things.
First and foremost, your rental has a 4 speed automatic. The 2LT and LTZ are now available with the 6 speed automatic. I'm guessing the addition of 2 more gears makes a significant difference.
Second, while I, myself, have a heavy foot and have been known (frequently) to drive those speeds, the EPA test does not. I suspect if you slowed down to 65 - 70, you might gain 1 to 2 mpg.
With a 2.4L 4 cyl and a 4 speed automatic, 2800 rpm at those speeds is probably not out of line. Our VW 1.9L diesel with a 5 speed manual churns nearly that hard at those speeds.
FWIW, a bigger engine with a couple more gears will do about as well. My 2003 Corvette with the 5.7L V8 and 6 speed manual would have returned 28 mpg on the trip you described. But, of course, it has enough power and is light enough that it is hardly turning at those speeds. Having said that, I once rented a Buick LeSabre with the 3.8L V6 and 4 speed auto. I drove it from Indianapolis to KC at about 75 mph and it returned right about 28 mpg. So smaller doesn't always equal more economical.
#200 of 282
Re: Fuel Economy on 1LT 4 Cylinder [phil53] by kam327
Sep 12, 2008 (12:57 pm)
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Replying to: phil53 (Sep 07, 2008 5:55 pm)

What surprised me was that it was quite a bit lower than the EPA rating of 30. I can get the EPA highway rating in my Mazda Tribute driving around 75-80 but if I slow to 65-70 I have gotten 3-4 mpg over the EPA rating. I was expecting the same of the Malibu but I guess all cars are different. The lesson here is that you really have to work hard in the Malibu to get the EPA highway rating. I would expect now that with the 6-speed transmission you may get 30-31 on the highway whereas the EPA rating is 33 for '09.
#201 of 282
MPG since Nov 29 2003 by kpugh2
Sep 12, 2008 (1:55 pm)
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My wife has traveled a total 87,123 miles since 2003. She has used 3,120.577 gallon of gas = 27.919 MPG. This is with a 3.5 V-6 Malibu
Yes we have synthetic oil 0W-30 with once per year oil changes.
Ken
#202 of 282
Re: Fuel Economy on 1LT 4 Cylinder [kam327] by phil53
Sep 14, 2008 (5:13 pm)
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Replying to: kam327 (Sep 12, 2008 12:57 pm)

I took the plunge and bought the Malibu yesterday. '09 LTZ, 4 cyl 6AT, granite black over cocoa/cashmere. I'll let you know how I do after I've had the chance to run a few tanks through it. Right now, I'm averaging about 24 mpg on this tank. Some around town, some freeway. I hoping for a something better.
#203 of 282
Malibu 6 CYL Mileage by hjr3
Sep 17, 2008 (9:39 am)
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What's the MPG everyone is realizing on the 6 cyl/6 speed auto Malibu? And, at what speeds?
 
Thanks
#204 of 282
Re: Malibu 6 CYL Mileage [hjr3] by jerrywimer
Sep 17, 2008 (10:01 am)
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Replying to: hjr3 (Sep 17, 2008 9:39 am)

Conditions: daily drive, ~25 miles of I40 between Old Fort NC to Asheville NC, speeds between 55-65, ~5 miles rural route, speeds between 30 and 55, and between 1 and 8 miles in downtown Asheville, all 1 way. Around 5 to 6 miles of the I40 drive is on Old Fort Mtn, steep grade. Granted, on the way home that stretch is all downhill, but it's the opposite on the way to work. The rest of the I40 slog is mostly slight uphill / downhill between Asheville and Black Mountain.
 
Now to my numbers- driven in these (nearly ideal? I always thought flat terrain would be better, but..) conditions, I have been getting anywhere from 28 to 32 mpg, with the overall sitting right at 29. The overall includes the initial break-in of 500 miles where I stayed off the interstate as much as possible (more stop'n'go), kept speeds below 55 where I could, etc.
 
I have noticed while driving around strictly in downtown Asheville that the reading varies between 16's and 22, with the lighter traffic usually being higher, but lots of stop'n'go / accelerating against the hills being closer to 17. Speed zones anywhere from 35 to 50 mph, though sometimes barely getting up to speed before stopping again.
 
Those are my observations. Let me know if there is anything more specific you want to know.
#205 of 282
Malibu 2008 2LT/21.6 mpg by bibo2
Sep 23, 2008 (6:48 pm)
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Bought my new Malibu 2008 2LT, 4 cyl engine, last week from CarMax. It is almost brand new and has only 1600 miles on it. The DIC currently shows 21.6 mpg for my last 400 miles driving. I drive about 25 miles one way to work, which has about 60 % City/40% Highway.
 
I have been scared to notice the fuel gauge moving down quickly while driving it on highway. I never experienced something like that. I own a honda Civic 96 and Sienna 04, and have never seen the fuel gauge noticeably moving while driving these cars. My Sienna Van has 6 cyls with 54K miles on it and still average 20.5 mpg.
 
I researched this car for the last 4 months and saw many praises on its fuel economy. But I did not expect it this bad. I was hoping for 26-27 mpg average.
 
When I bought the Malibu, I wondered why the last owner would resell the car after just couple of weeks driving it. I remembered to see 16.7mpg when resetting the DIC. I guess that might be the reason he dumped the car to carmax.
 
Now I am wondering I would do the same. I will start measuring the gas manually tomorrow to see exactly what mpg I got.
#206 of 282
Re: Malibu 2008 2LT/21.6 mpg [bibo2] by mazda6dude
Sep 23, 2008 (7:11 pm)
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Replying to: bibo2 (Sep 23, 2008 6:48 pm)

In my opinion/advice. Don't give up yet. Here are somethings I do to increase my MPG and maybe it can help you. I don't drive a Malibu, but this might be helpful.
 
1. Roll to Stop's and Red Lights. Anticipate and judge beforehand and let off the gas pedal and roll to stop.
 
2. Use as much cruise control as you can. For example whenever you have long strecthes of a certain speed limit cruise control it.
 
3. Find the speed where you engine hits its last gear. In other words if you have a 4 speed automatic, try to feel at what MPH its goes into 4th and engine enters smooth rpm. What I am getting at is try to get to your highest gear as soon as possible. Obviously obey speed limit as all times.
 
High RPM's kill the MPG of a car. Hope this helps. The Malibu is a nice car and you should achieve good MPG.
#207 of 282
Re: Malibu 2008 2LT/21.6 mpg [bibo2] by bryan
Sep 24, 2008 (4:27 am)
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Replying to: bibo2 (Sep 23, 2008 6:48 pm)

I too have a 2LT with the 4cyl and 4-speed transmission--now have 2500 miles since May delievery. Each tank the mileage is creeping up--first tank got right at 31 on the highway; I'm now getting 34 making the same trip each weekend. Your mileage should improve as you rack up more miles. I also have an '07 Malibu LS, and routinely get 36 plus on the highway!
 
Good luck and keep us posted as you too rack up more miles.
#208 of 282
Re: Malibu 2008 2LT/21.6 mpg [bibo2] by phil53
Sep 24, 2008 (5:21 pm)
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Replying to: bibo2 (Sep 23, 2008 6:48 pm)

I can sympathize. I just bought a new '09 LTZ with the 4 cyl and 6 speed automatic. I've been driving a combination of suburban and freeway with the majority being the latter. I don't take any great pains to increase my mileage, nor do I care to; I just drive normally. I flogged our old Beetle and got 40+ mpg (it was a TDI).
The end result is, my first tank was under 24 mpg (23.7 or 23.9, depending on whether you believe the DIC or the calculator). My second tank was just under 26 mpg. My current tank is under 25 mpg. I too have been alarmed at the rate the needle on the fuel gauge drops. I truly expected better. Had I known this was what I could expect, I'd have purchased the Forester for the additional utility and AWD the mini-SUV provides. It's fuel mileage is about that good. I have a list of niggling complaints about the Malibu, but this is the biggest.

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