General LSX Automobile Discussion Non-technical LSX related topics.

Gas mileage?

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Old 07-08-2006, 12:55 AM
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I get about 14/30 on mine. I do horrible in the city for some reason i don't know how you guys are doing this 17 - 21.
Old 07-08-2006, 12:57 AM
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I get about 14/30 on mine. I do horrible in the city for some reason i don't know how you guys are doing this 17 - 21.
Old 07-08-2006, 02:16 AM
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I get about 28.5 on the interstate driving at about 75-80 MPH. The interstate is a little hilly.

I have yet to measure city only and I don't really want to know either.
Old 07-08-2006, 12:01 PM
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Originally Posted by TransAmMan
I get about 14/30 on mine. I do horrible in the city for some reason i don't know how you guys are doing this 17 - 21.
This is exactly how my car is also. Not so great city mpg but really good hwy mpg, i dont understand it either and i dont drive it hard but maybe 5%-10% of the time...
Old 07-08-2006, 12:06 PM
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Another thing, i read in the manual that the gas tank capacity is 16.8 gallons, but when i am on "E" the pump only fills it up with 13.5 gallons? Anybody else do this?
Old 07-08-2006, 11:08 PM
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Originally Posted by LPWS6
Another thing, i read in the manual that the gas tank capacity is 16.8 gallons, but when i am on "E" the pump only fills it up with 13.5 gallons? Anybody else do this?
I know what ur saying, I am also interested in knowing if maybe the "E" is set early so there is some reserve???
Old 07-09-2006, 09:53 PM
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I dont really know what the hell i would get...cant keep my foot out of it
Old 07-09-2006, 10:20 PM
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Originally Posted by TransAmMan
I get about 14/30 on mine. I do horrible in the city for some reason i don't know how you guys are doing this 17 - 21.
One reason...automatic.

They sap up more power, the TC creates slippage, and the engine is always under a load at a stop. That explains the worse city mileage
Old 07-09-2006, 10:35 PM
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Originally Posted by Domestic Demon
One reason...automatic.

They sap up more power, the TC creates slippage, and the engine is always under a load at a stop. That explains the worse city mileage

If I read his sig correctly his currently owned F-body is a manual transmissioned TA.

Seems that his A4 was sold and the other F-body listing has "!CAGS"
Old 07-10-2006, 05:43 AM
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yeah my m6 same thing, 13-14 straight city, no hwy. City meaning, stop signs every 30ft and stoplights every 100 ft and nonstop traffic.
Old 07-10-2006, 04:32 PM
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anyone have an early model that has the 5.7 wiht auto. I am curious to see what the mileage is on that before i buy it. 88 iroc
Old 07-11-2006, 05:22 AM
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I get 16 in the city and 22 on the highway. I have an A4 with the 3.23. And I have a lead foot like no other, so I'm really surprised I get that good of mileage.
Old 07-11-2006, 07:53 PM
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i get anywhere from 19-24 depending on how much city/hwy driving i do. i cant get below 18 avg mpg even when i race it at the track and TRY to waste gas lol.
Old 07-11-2006, 11:27 PM
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Originally Posted by Sunset'01Z
i get anywhere from 19-24 depending on how much city/hwy driving i do. i cant get below 18 avg mpg even when i race it at the track and TRY to waste gas lol.
Man im jealous! Whats your secret? Have you used seafoam or injector cleaner recently?
Old 07-12-2006, 12:56 AM
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I'm getting anywhere from 16-20 mpg in the city and pretty close to 31 mpg on the highway in my 99 WS6 T/A A4.
Old 07-12-2006, 09:21 AM
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So what exactly is the capacity of the gas tank again? I used to have a 2000 T/A and am thinking about once again buying one as a DD and getting rid of the truck. Just trying to see what I am looking at.
Old 07-12-2006, 09:34 AM
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i get around 18 in the city and around 25-27 on the highway....a lot better than what I got in my mustang surprisingly.
Old 07-12-2006, 10:44 AM
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I get maybe 14 in the city and 24 on the interstate. I've never really kept track. But I know it isn't great, but then again it's not like I bought the car for the gas mileage.
Old 07-12-2006, 01:15 PM
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Originally Posted by L33Z71
So what exactly is the capacity of the gas tank again? I used to have a 2000 T/A and am thinking about once again buying one as a DD and getting rid of the truck. Just trying to see what I am looking at.
16.8 from 99+


http://media.gm.com/division/canada/...0Firebird.html

https://ls1tech.com/forums/showpost....83&postcount=5
Old 07-13-2006, 03:04 PM
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Not sure exactly what i get since my speedo is off cause of bigger tires, but i think im around 18-20mpg doing stop and go driving around the beltway everyday for an hour each way, m6 with 4.10s



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