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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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#193 of 282
MPG After Break-in by hickoryc
Aug 20, 2008 (11:16 am)
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Replying to: packer3 (Aug 03, 2008 6:38 am)

My '04 Maxx did not get over 30 MPG on highway until 50,000 miles. Now at 60,000, it has averaged 33 on the highway and 28 mixed. Wife's '08 Civic has been inching up in the MPG category each fillup from 32 to 37. I fully expect it to increase even more. To qualify the statement regarding the Maxx, I previously posted that I added STP (Red can) for the first time at 50,000. On a side note, in June we fully loaded the Maxx for vacation and it still got 33 highway miles out of every gallon, about the same as my solo daily commute.
#194 of 282
37.37 by malexbu
Aug 30, 2008 (4:34 pm)
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Two long trips this year (a college parent's duties), in the 2005 Malibu Base Sedan (MPG computed as distance/fuel, the distance one way about 1150 miles):
 
+----------+------- +--------+
| Where | Whn | MPG |
+----------+-------+---------+
| MA-TN | May | 36.64 |
| TN-MA | May | 36.78 |
+----------+-------+---------+
| MA-TN | Aug | 36.55 |
| TN-MA | Aug | 37.37 |
+----------+-------+---------+
#195 of 282
'08 or '09 LTZ 4 cyl 6AT? by phil53
Sep 02, 2008 (8:53 pm)
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I'm looking for some information on a specific model. I'm seriously considering the 09 LTZ with the 4 cyl and 6 speed automatic. It's rated at 22 city and 33 highway, but I'd like to get some real world input. I've gone back through several pages and seen only one post on this particular car. The 08 similarly equipped or a 2LT with the same drivetrain would be OK too, since it is the same car.
My driving style is somewhat aggressive. I drive 5- 10 over. I don't over-inflate my tires (whatever it recommends in the manual is what I go with). I get away from stop lights quickly (I hate people who dawdle when there's a string of traffic trying to get through a short green light). I come up to speed quickly when entering the freeway. My commute starts in suburban traffic (2 - 3 miles with lots of lights), then about 25 miles of freeway (65 -75 mph) followed by another 5 miles or so of suburban traffic with several lights (40-45 mph, when it's moving).
I really like this car, but I'm also considering a small CUV (Subaru Forester Limited) for the AWD and utility it offers. I've been following that thread pretty closely and it appears that I could reasonably expect to average about 23 - 25 mpg. I'd like to know that I can do significantly better with the Bu, if I'm giving up the AWD and utility.
So any input would be appreciated.
#196 of 282
Re: '08 or '09 LTZ 4 cyl 6AT? [phil53] by 08ltz
Sep 04, 2008 (1:17 pm)
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Replying to: phil53 (Sep 02, 2008 8:53 pm)

We took delivery of a 08 Malibu LTZ 4 cyl 6AT on 8-23-08 with 360 miles at delivery.
 
On the first tank with a lot of idling to figure out onstar and play with all the functions, we averaged 28.3 with an average speed of 38 mph. Tire pressure is at recommended 30 PSI. My wife is driving the car and has a heavy foot. Her commute is about 2 miles of stop and go followed by 16 miles of highway(65-80mph) and then another 2 miles of stop and go. She uses no fuel saving techniques.
 
So far on the second tank we are averaging 28.8 with an average speed of 39 MPH. On this tank I drove on hilly/curvy country highways for about 90 miles and the readout was at 32.5 mpg and climbing when we got home. I checked instant mpg at 60 mph with the cruise set on a level road and very little wind and it was between 43 and 46 mpg, I think the car will easily get the advertised 32 mpg highway.
 
On the first fill we had 14.4 gallons and 413 miles for an actual average of 28.68, so a little better than the readout calculated. So overall the readout appears pretty accurate so far.
 
We really like the car so far, it is comfortable, rides and drives very nice and is quiet inside.
#197 of 282
Thanks! by phil53
Sep 04, 2008 (7:10 pm)
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That was very helpful! That's just the sort of information I was looking for and is very encouraging.
I have been vacillating between the Malibu and a small SUV ('09 Forester). The SUV offers more utility and AWD. It doesn't do too badly on mileage (~25 mpg). But it looks like the Malibu will do quite a bit better, plus it offers a few more creature comforts in LTZ guise. Plus, I know the Chevy dealer and they're close-by.
#198 of 282
Fuel Economy on 1LT 4 Cylinder by kam327
Sep 07, 2008 (5:15 pm)
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Rented a '08 Malibu 1LT with 4 Cylinder and 4-speed auto during a visit to Florida this weekend. I topped off the tank, ran a round trip between Tampa and Naples, and when I refilled the tank I calculated 28 mpg. That's 2 less than the EPA rating. It's puzzling since it was 99% highway driving. I was doing about 75-80 and noticed the RPMs were around 2800 which seems high. Maybe you have to do 65 or less to get 30mpg? If you do 65 on I-75 in Florida you'll get mowed down by pickup trucks.
#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.

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