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GAS Mileage, whats it like?

This is a discussion on GAS Mileage, whats it like? within the Firebird / WS6 forums, part of the Vehicle Specific category; SO I'm looking at a 02 ws-6, and was wondering how much gas these suckers guzzle. 1. How big is ...

  1. #1
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    GAS Mileage, whats it like?

    SO I'm looking at a 02 ws-6, and was wondering how much gas these suckers guzzle.

    1. How big is the tank?

    2. How many miles per gallon?

  2. #2
    Slow'er'Ass Mr. Luos's Avatar
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    Red Tint Jewelcoat
    2008 Trailblazer SS

    16 gallons.
    Depends on manual or automatic.

    My M6 got 24/31 when it was mostly stock.

  3. #3
    xbl-Spectre666
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    02 T/A WS.6 M6

    Quote Originally Posted by Mr. Luos View Post
    My M6 got 24/31 when it was mostly stock.
    Mine was pretty close to those numbers as well.

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    Member ultra_badass's Avatar
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    navy blue matallic
    2000 WS6 trans am M6

    2000 ws6 m6 stock 18-28 on average depends on how i feel that day 16gallons

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    Member sirenformula350's Avatar
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    1998 Trans Am

    I get about 20, but I have a 98. Bigger injectors. Well its also the way I drive

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    Sweet. Those numbers look good to me. I can deal with 20mpg

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    With the gas prices lately my neighbor said he was glad that he didn't have to pay for my gas - was surprised when I told him I still get 22 on the highway, even with my mods.

  8. #8
    Member blk-ws6's Avatar
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    what mpg do you guy sget with about 450 HP worth opf mods? like 18??

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    Slow'er'Ass Mr. Luos's Avatar
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    2008 Trailblazer SS

    I made 531 at the wheels.
    If I shift at 2,000 each gear and lug it around town...it will get 16-17MPG.

  10. #10
    Member blk-ws6's Avatar
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    im guessing thats on highway?

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    Slow'er'Ass Mr. Luos's Avatar
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    It gets about the same on the highway....around 19MPG.
    The 4.11's keep it from getting 22-23.

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    Member blk-ws6's Avatar
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    how do you think it would be with 3:73s? about 20-21

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    Slow'er'Ass Mr. Luos's Avatar
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    Yeah. That 6th gear is nice for mileage for sure. But with the 4.11's I am trucking along at 75MPH and the motor is spinning 2,000RPM's.
    If it was down around 1600 it would be much better.

    Hell...the car lugs itself along just fine at 1200 RPM's in 6th gear...about 45MPH.

  14. #14
    cement head 00ws6m6's Avatar
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    silver
    2000 formula ws6

    drove 300 miles on a full tank today.
    I've done so much,
    with so little,
    for so long,
    I can almost do anything, with nothing.

  15. #15
    Member Ryanater's Avatar
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    1998 WS6, 1969 Camaro

    Iv'e only gone through one tank with mine, but I only got about 18.5mpg. And my car is completely stock. I wasn't even driving crazy or anything. Although I never touched a freeway. Does that sound right?

    How much would my gas mileage go down if I added a catback, hedders, ls6 intake, and a lid?

  16. #16
    Member sirenformula350's Avatar
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    Silver
    1998 Trans Am

    i have headers, a lid, and a catback and its about 20.

  17. #17
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    i get 160 miles to a tank everytime so i average 10 mpg and im an a4 with 3500 stall, 3.73 gears, exhuast, lid, and a few other small things it sucks

  18. #18
    Member my1973form's Avatar
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    SOM
    2002 Formula Firehawk

    2002 Formula Firehawk, M6, loud mouth 1, cloth interior, cotton Air filter, no performance mods, average is 18 in the city, ave 25 for Hwy (best hwy 29 mpg)

  19. #19
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    2002 Firebird Formula

    god i guess the autos chug alot more gas i never see 20 mpg i get about 14 if i drive nicely, thier lots of stops around town though.

  20. #20
    Member KiD WiCKeD's Avatar
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    Navy Blue Metallic
    '02 Trans Am WS6

    I get about 16-17mpg, But I have a heavy right foot. I shift about 2800rpms through town and at like 3800-4000 up the interstate on ramp. Car has a lid, K&N, cat-back, Descreened MAF Sensor, and about 98,000 miles lol. I'm hoping with a tune-up (o2's, plugs, and wires) I can get a few more. Looks like i'm on the bottom side of the gas milage world.

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