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Old 06-27-2007, 09:30 PM   #1
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Fuel Economy Estimates?

Mainly I am talking about the V8 here, since that is all I am interested in... so I did a little research.

The 2005 Pontiac GTO is the closest comparison I could think of, so I looked into it a bit:

According to <http://www.fueleconomy.gov/feg/noframes/21556.shtml>

The 2005 GTO gets
Fuel Type: Premium
MPG (city): 14
MPG (highway): 19
MPG (combined): 16



Annual Fuel Cost $3000 (15K miles @3.20/gallon)!



Other folks at <http://www99.epinions.com/content_174299516548> are reporting 25mph on the highway... which seems somewhat better.

What experience to you have? What mileage do you get in your 4th, 3rd, 2nd or 1st gen?

I'm not looking to save the planet, just to set up my budget accordingly...

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Old 06-27-2007, 09:52 PM   #2
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My '06 GTO get about 26mpg on the highway in 6th w/ the cruise on so you must be flooring it all the time or they stepped up the mileage like crazy in a year. my avg is about 23ish on the highway, depending on speed. i did read somewhere that they are looking to get mid to high 20's out of the camaro so who knows!! i'll have to try and find that article again.


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Old 06-27-2007, 10:18 PM   #3
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My 01 Camaro V6 gets CRAPPY fuel mileage IMO, but it could just be me... And I'm sure it could always be worse. But I love her and I'm willing to put up with it lol.
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Old 06-27-2007, 10:25 PM   #4
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My 4 banger eclipse used to get 21 MPG average. Then I started leaving earlier and just cruised while listening to music. My MPG is now 35.
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Old 06-27-2007, 10:27 PM   #5
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I don't own a 4th, 3rd, 1st, or GTO for that matter.

As far as the 5th gen is concerned...They were looking at 30+ mpg highway, which is entirely feasable, and welcome! They can do that through AFM, active fuel management; VVT, variable valve timing; direct injection; and very intelligent gearing: two overdrive gears...nice

My 2nd gen, if we're looking for 'afternoon' tidbits, is rated at 16 mpg...and since everything is listed as hwy (because it looks better) thats what I'm assuming it is. But give is a break, we're talkin' 350ci, with a 4 barrel carbeurator, what do you want?!?!

And does the GTO offer AFM? I guess what I'm asking is what engine does it use?

NOTE: I gave the meanings to the abbreviations above merely for those who might not have known...NO SPECIFIC person, just as a courtesy

NOTE 2: a word for a moment on direct injection, and VVT. Direct Injection spritzes Gasoline (or whatever fuel) directly into the Cyllinder, whixh actually cools the air a little, compressing it - albeit minor compression. And VVT can alter Valve timing on-the-fly, which gives an increase in both performance and Fuel economy. It also eliminates the need for a conventional EGR (exaust gas return) system. Together, this is a powerful tool for creating power: i.e. the 300hp V6 that Caddy is using utilizes these advancements together, which, IMO, is the whole reason a V6 of this size can reach those numbers.
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Old 06-27-2007, 10:34 PM   #6
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Quote:
Originally Posted by Dragoneye View Post

NOTE: I gave the meanings to the abbreviations above merely for those who might not have known...NO SPECIFIC person, just as a courtesy
NOTE 2: a word for a moment on direct injection, and VVT. Direct Injection spritzes Gasoline (or whatever fuel) directly into the Cyllinder, whixh actually cools the air a little, compressing it - albeit minor compression. And VVT can alter Valve timing on-the-fly, which gives an increase in both performance and Fuel economy. It also eliminates the need for a conventional EGR (exaust gas return) system. Together, this is a powerful tool for creating power: i.e. the 300hp V6 that Caddy is using utilizes these advancements together, which, IMO, is the whole reason a V6 of this size can reach those numbers.
And it was appreciated! :p haha!
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Old 06-27-2007, 10:38 PM   #7
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good I'm glad my useless knowledge could help again...heehee

But then again, maybe it's not so useless nowadays. I was talking to one of my friends, and they mentioned Honda, and "V-tec"; spouting a bunch of magazine article fluff about it...I asked him, "what?" very innocently, and he said V-tech again. I asked what it did (I'm being a smartass at this point) and he said "it's V-tec man, it helps the engine gain power". I said "how?'' and he couldn't answer. It turns out that he's not alone, and a lot of people do this on all topics, I'm guilty of it, I'll admit: We just spew information that we heard somewhere else, not really knowing what it means, but knowing that it's good for our argument...who'da thought?

I like to stay informed, and knowlegeable about what I'm talking about - so I don't get my foot stuck in the tracks...
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Old 06-27-2007, 11:34 PM   #8
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Quote:
Originally Posted by shibbychevy15 View Post
My '06 GTO get about 26mpg on the highway in 6th w/ the cruise on so you must be flooring it all the time
Lucky bastich!!

Best I ever got was 24, and that was on a 250 mile round trip, lite traffic! On highway!!
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Old 06-27-2007, 11:37 PM   #9
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Quote:
Originally Posted by LSxcellent View Post
Annual Fuel Cost $3000 (15K miles @3.20/gallon)!
Yup!

That's about right… Although I DIDN'T buy this car for fuel economy
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Old 06-28-2007, 05:35 AM   #10
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My TA gets decent gas mileage as long as I keep my foot out of it. I drove it to NH (750 Miles) and only filled it twice. I left VA with a full tank, and arrived with 1/4 tank. I averaged about 95MPH the whole trip, but I stayed away from full throttle acceleration for the most part. I kept the windows up and the AC on low(it was July). I guess it's supposed to be rated at 18 in the city and 28 on the highway. Sounds about right based on my experience.

Last edited by AFSNightrod; 07-05-2007 at 10:42 AM.
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Old 06-28-2007, 09:34 AM   #11
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Quote:
Originally Posted by Dragoneye View Post
And does the GTO offer AFM? I guess what I'm asking is what engine does it use?
6.0L V8 (LS2)

Cheers!!
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Old 06-28-2007, 07:26 PM   #12
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Smile Mileage

I used to average 24 MPG with the LS1 / 6speed manual combo in my 01' SS. That was mostly highway miles, driving to and from work.

(Although it dropped considerably if there were any Rustangs or other "floaters" in the vicinity! )
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Old 06-29-2007, 12:02 AM   #13
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I'm gonna take a guess at 16 city and 26 highway without AFM or anything like that. Just a guess.
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Old 06-29-2007, 01:16 AM   #14
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I'll LYK in a few when I fill up. I think I've been getting around 14 city and 24 hwy....coulda been 17 city...not too sure.
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Old 06-29-2007, 08:22 AM   #15
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So it sounds like everyone is reporting ~15-17 city (ish) and 20-25 highway (ish) without any of the newer AFM.

According to Chevy, the displacement on demand system should net ~20% better mileage so we might estimate the 5th Gen would average 17-19 city (less of a benefit in the city with all the start/stop) and 24-30 highway... which isn't bad at all!

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Old 06-29-2007, 01:29 PM   #16
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Quote:
Originally Posted by LSxcellent View Post
estimate the 5th Gen would average 17-19 city (less of a benefit in the city with all the start/stop) and 24-30 highway... which isn't bad at all!
when you hit mid to high 20's and even some 30 talk with that kind of power, its freakin awesome. MPG will be a huge deal for the average guy that isn't a major enthusiast but likes the styling and affordablilty. GM needs this to make sure they snag those extra customers!!

Cheers!!
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Old 06-30-2007, 11:42 PM   #17
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and don't forget Direct Fuel injection, and VVT, also a little better gearing. All of which boost fuel economy considerably...

Also- GM stated themselves on one of their engine spec sheets (so it's not just me saying this) that AFM advantages really kick in when your doing exensive highway cruising...different than EPA "highway". Think about it - it makes sense...driving practically a 4-cyllinder at 55-70 (I'm a good boy ), Your talkin' 34- (maybe - wishful thinking) 40 mpg....IN A CAMARO!!!
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Old 07-05-2007, 10:34 AM   #18
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my dad has a new impala ss which if you dont know has a 5.3 liter V-8 which can switch to four cylinders. we just got done with a road trip and we averaged 28 mpg. But while we were on the highway the instant mpg said 32. In the city the ss gets 22 now, the engine i guess is breaking in and improving.
So if i had to guess what the camaro would do it would be 19-21 city and 26-29 highway
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Old 07-05-2007, 03:40 PM   #19
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I like to see those mid to high 20's on the highway. My second gen firebird 6.6l would get 17mpg no matter how you drove it.
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Old 07-05-2007, 03:44 PM   #20
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You will with out a doubt. 2002 Z06 vette at 75 mph in 6th gear would get between 26-28 mpgs on the hyw. If the Camaro has active fuel mgmt, notwithstanding a .3 or.5 liter larger displacement, you may even see 30mpg.

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Old 07-05-2007, 05:53 PM   #21
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On my last tank, I got 17.90 city MPG

On the HWY, I get 23.92 HWY. That's with a somewhat heavy foot passing cars on occasion.
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Old 07-05-2007, 08:33 PM   #22
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Quote:
Originally Posted by AirGoya View Post
my dad has a new impala ss which if you dont know has a 5.3 liter V-8 which can switch to four cylinders. we just got done with a road trip and we averaged 28 mpg. But while we were on the highway the instant mpg said 32. In the city the ss gets 22 now, the engine i guess is breaking in and improving.
So if i had to guess what the camaro would do it would be 19-21 city and 26-29 highway
The Camaro should be lighter than the Impala, though...with higher overdrive gearing, too. So I would expect 3 mpg more than you originally guessed.

Quote:
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I like to see those mid to high 20's on the highway. My second gen firebird 6.6l would get 17mpg no matter how you drove it.
Don't you love those second gens...haha ...My dad's '79 Camaro, get's about like you said, 16/17 no matter how you drive - fun as Hell, but expensive.
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