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5th Gen Camaro SS LS LT General Discussions General 5th generation Camaro topics not covered by other subforums.

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Old 05-15-2009, 02:46 PM   #26
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Originally Posted by Scott@Bjorn3D View Post
I am just wondering, on the highway with me varying speeds to the movie theater the over night only got 20MPG.

In town getting like 13-15MPG. She just hit 500 miles this morning. I sure hope it picks up some, this is worse than I thought it would be.
Scott, If you are driving in the Sport mode it will be less MPG.
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Old 05-15-2009, 02:51 PM   #27
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I would like to know what your previous cars got compared to the advertised MPG, was it higher? lower? What RPM's are you hitting? In my wifes 05 Corolla we can hit up to 3k RPM and still get the same gas mileage and go up to about 80 and get the same gas mileage. Anything beyond that it drops "exponentially".
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Old 05-15-2009, 02:59 PM   #28
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I think everyone (v6 or v8 owners) need to keep in mind the testing that is done to determine the EPA numbers. For example, highway numbers (max speed 60mph, max acceleration 3.2mph/sec, avg speed over 10.3mile trip 48.3mph). I'm sure none of us drive like that. At least we won't until gas creeps back up to $4-$5/gal again.

http://www.fueleconomy.gov/feg/fe_test_schedules.shtml

It also really depends on the driver's foot. In my wife's Expedition, when I drive from our house to downtown Houston on nearly every Saturday morning, I average just over 19mpg but when my wife drives this same route in about the same amount of time it takes me, she averages just under 16mpg. I'm so used to driving in traffic everyday that I don't accelerate/decelerate as quickly as she does and I also tend to coast more rather than constantly pushing the gas pedal.

You mileage may get better as the miles roll by but you might need to adjust your driving style a bit to make more of an improvement.
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Old 05-15-2009, 03:45 PM   #29
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Are you running premium or regular? My dealer told me it would not hurt to run regular in the SS, but I do not know why anyone would do that. I believe Premium increases the mileage a bit, and obviously better performance.
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Old 05-15-2009, 05:10 PM   #30
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Don't get anything containing alcohol. Alcohol kills MPG. I lose 3 mpg in my Silverado when I get 10% alky fuel. I normally get 19MPG when I keep my foot out of it. Buy 10% alky blend, and I get 16MPG. Good fuel pays for itself.

CITGO gas sux too. Terrible MPG. I don't know what they put in it, but it sux. I get serious pinging running it.
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Old 05-15-2009, 05:19 PM   #31
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I would first check your tires. My mom just bought an Impala and she was getting terrible mileage in it, well er, for an impala. I checked her tires and they were all above 40. Door asks for 32? So I put the tires to what the door and the manual says to put in it. She hasn't ran a tank of gas through it yet, so hopefully she gets better results. So far the computer is saying that we are breaking the 30's now consistently. I hope it is right.
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Old 05-15-2009, 05:56 PM   #32
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SS = performance
LS/LT1/LT2 = better gas mileage.
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cars are like women, some are old, some are new, some get turned on easily some need a lot more help, some you just wanna drive into the river, some you can't wait to get inside of, some are expensive to maintain, some are low maintenance, however if you treat them right, you'll have her for the rest of your life.....
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Old 05-15-2009, 06:04 PM   #33
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You're buying a sports car and you're worried about mileage????? I'm happy as long as it's 2 digits!
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Old 05-15-2009, 06:11 PM   #34
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I can't believe you would buy ab SS V8 and be worried about gas mileage.
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Old 05-15-2009, 06:13 PM   #35
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Did you want a Hybrid, or a muscle car?

As far as I'm concerned... it's getting at least twice the mileage that my 77 Chevy gets.
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Old 05-15-2009, 06:25 PM   #36
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Quote:
Originally Posted by rolnslo View Post
I think everyone (v6 or v8 owners) need to keep in mind the testing that is done to determine the EPA numbers. For example, highway numbers (max speed 60mph, max acceleration 3.2mph/sec, avg speed over 10.3mile trip 48.3mph). I'm sure none of us drive like that. At least we won't until gas creeps back up to $4-$5/gal again.

http://www.fueleconomy.gov/feg/fe_test_schedules.shtml

It also really depends on the driver's foot. In my wife's Expedition, when I drive from our house to downtown Houston on nearly every Saturday morning, I average just over 19mpg but when my wife drives this same route in about the same amount of time it takes me, she averages just under 16mpg. I'm so used to driving in traffic everyday that I don't accelerate/decelerate as quickly as she does and I also tend to coast more rather than constantly pushing the gas pedal.

You mileage may get better as the miles roll by but you might need to adjust your driving style a bit to make more of an improvement.
The way testing was done changed in 2008, they now accelerate faster, go up to higher speeds, and run the AC (among other things) to determine the new fuel economy for cars.

as for OP give it a little bit longer and see what happens. should go up a little once you get the car broken in
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Old 05-15-2009, 06:32 PM   #37
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GM's LS series aluminum engines are notorious for gaining both mileage and power after a few thousand miles. Give it a little time to get broken in.
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Old 05-15-2009, 06:32 PM   #38
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It is a performance standard test. It is a guide for decision making. C'omon folks, that's why they use the disclaimer "Your Mileage May Vary."

Every new car I have owned (several) has loosened up quite a bit and mileage improved after 5-6k miles.

Also, it depends on how you drive. My daughter, (God Bless her!) is a speed demon. She hardly gets 30 MPG with her VW Jetta. She just about fell off the chair when I told her I have been averaging almost 34 MPG on some of our recent trips with my wife's Impala.

So, let her break in. Drive gently and I bet you can beat the EPA Highway ratings easily.
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Old 05-15-2009, 06:35 PM   #39
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I think it should improve...the first two weeks after I bought my Mustang the mileage
was terrible. That is probably mostly from enjoying the power a little too much

But, as mentioned elsewhere in this thread, most of your milage has to
do with how you drive!

http://ecomodder.com/

I try my best at 'Drive without Brakes' and have really paid as much
attention as possilbe to tire-pressure, any extra junk in my car and
keeping the speeds lower on the highway.

As an example, I went over the Island last weekend, and the round trip I averaged 7.9 l/100km (almost 30mpg's i think)... I kept my speed on the highway right around 90-100kmh(just under 60mph).

Three weeks ago I did the same trip and averaged 10.1... It was from accellerating too fast and doin 140kmh plus pretty much the whole way up the island (speed limit is 110kmh).


Now I've really learned to do all the things that make my gas get me
that much farther(Over the last three tanks I've averaged just under 10l/100km in 80% city driving), so that when I want to step into it I don't have to
worry about the gas-gauge plunging.


The most important piece of the mileage component is the person driving!
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Old 05-15-2009, 07:30 PM   #40
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Quote:
Originally Posted by camaro_corvette View Post
I would first check your tires. My mom just bought an Impala and she was getting terrible mileage in it, well er, for an impala. I checked her tires and they were all above 40. Door asks for 32? So I put the tires to what the door and the manual says to put in it. She hasn't ran a tank of gas through it yet, so hopefully she gets better results. So far the computer is saying that we are breaking the 30's now consistently. I hope it is right.
She should get better mileage with the 40 psi. Higher air pressure equals less rolling resistance equals better mpg.

As to the original question, in time the motor will make more power and you will get better mpg. I wouldn't worry about it, the manufacturer's estimates are usually spot on or even low. If you never achieve their estimates, it probably has more to do with your driving habits than anything else. I'm not being critical of your driving, just stating the most obvious culprit.

Either way, enjoy! 20 mpg and 400hp is pretty damn good!
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Old 05-15-2009, 07:50 PM   #41
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hey scott are you sure its not from you trying to do the burn outs? that would hurt the MPG

Anyway.. In my Trailblazer SS the mileage was horrible when I first got it... After the first oil change the mileage increased significantly I couldn't believe it but it did... most of the vehicles I have had have always gotten better mileage after it was broken in... Shouldn't be anything to worry about...

Oh and dont forget that revin the engine will also use a bit of gas too
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Old 05-15-2009, 07:51 PM   #42
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I remember reading in another thread that the engine will run a little richer for the first 1000 miles. Not sure how true that statement is, but I expect it to get better after the break-in period.
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Old 05-15-2009, 08:02 PM   #43
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You might pick up a few more once its broke in but not a lot. 13-15 in the city sounds about right. Yes gas milage is on peoples minds, otherwise GM wouldnt be boasting the gas mileage on it. And you can bet your ace if gas was 4 bucks a gallon these wouldnt be selling as hott and if gas does go up your going to see some trades ins. I wouldnt do it but you got to figure a lot of people dont always have the money to afford these cars and their upkeep.
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Old 05-15-2009, 08:05 PM   #44
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well..... Your Milage will get better .....Why you ask, two reasons:

1) the car- engine is brandy new with brandy new oil all around when the engine breaks in and the gears seat and find there place in life.

2) You ( most importantly) - you will develop a feel for the car know when to shift, know when to lift the pedal, know when how to brake, know how the car rolls, know your commute your hills and valleys....

You are the biggest factor in the milage. Become one with your beeeeeyooouuutiful car.
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Old 05-16-2009, 02:15 PM   #45
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Regardless of what car the man bought he has every right to be concerned over gas mileage. If it were a Ferarri then I'd laugh, but this is a car priced to be within reach of most people including those effected by high gas prices. Fact is though this is a V8 with better milage than most others found in comparable vehicles. After a few comparisons made with competing cars with 6's it really doesn't matter that much because the discrepancies are negligible. I was on the fence forever, but after driving the V6 Cam I realized an 8 is truly the only way to go. For me.
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Old 05-16-2009, 02:22 PM   #46
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Most vette's show increased fuel mileage after a several thousand miles, Camaro's could be the same. I noticed my MPG increased around the 7500 mile mark. It took my 08 Accord over 10K miles before I started getting the MPG I was expecting.

Roll up some more miles and keep careful logs. You'll see an improvement.
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Old 05-16-2009, 03:31 PM   #47
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Quote:
Originally Posted by FNKNSTN View Post
Did you want a Hybrid, or a muscle car?

As far as I'm concerned... it's getting at least twice the mileage that my 77 Chevy gets.
hehe, im sure theres some poor guy in a prius that will trade ya!!
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Old 05-16-2009, 05:00 PM   #48
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from what i have heard, the engines are set for a rich break in peroid, then it will lean down. id wait it out
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Old 05-16-2009, 10:50 PM   #49
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ya GM's vehicles, especially the V8's I have seen tend to get better mileage once you get around 10k mile mark. Most recent example..My dad bought a new 08 Silverado last September and we ended up driving cross country with it shortly after (maybe 2-3k miles only on the truck) and we averaged around 18mpg, and he does a fair amount of 300+mile trips once or twice a week ussually and was getting 18mpg on average for those as well.

I was talking with him the other day and he said on his hwy trips he is NOW averaging 20-21mpg (I am guessing he has around 10k miles on the truck now). That truck also has the AFM on it as well.

Give it time, she will do better, I am even going to say I gaurantee it!
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Old 05-16-2009, 10:55 PM   #50
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I can't believe that's all it's getting. My Corvette is getting realistically 30 on the highway in 6th gear. Please tell me these figures on the camaro are off?
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