GMT 800 & Older GM General Discussion 2006 & Older Trucks | General Discussion

Gas mileage for trucks?

Old Apr 29, 2004 | 11:23 AM
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Default Gas mileage for trucks?

Hey guys i'm thinking of getting a truck as my next vehicle and just wondering what kinda gas mileage the various models get mainly like the 5.3's in different cab levels and the SS's. I'm wondering real world gas mileage like you guys see not what has been reported. thanks alot!
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Old Apr 29, 2004 | 11:29 AM
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Reg cab short bed 4.8 with minor mods and a heavy foot .... avg'd about 14 ... now with efans and magnaflow exhaust im at about 16mpg city. On the freeway im in the 18-20 range (3.42 gears )
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Old Apr 29, 2004 | 02:54 PM
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Driving somewhat normal I cant get around 410miles outta one tank. But Im too lazy to to calculate MPG.
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Old Apr 29, 2004 | 03:07 PM
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410/26gal = 15.8
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Old Apr 29, 2004 | 03:16 PM
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on a very good tank with alot of highway driving i have gotten 440 miles, but normally i get around 390-410 miles per tank so i guess somewhere between 15-17 mpg, the 4:10's are killing me but its worth it
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Old Apr 29, 2004 | 05:27 PM
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22 on the freeway, 16 in town, climbing a 600 foot tall hill to get home everyday. 3.42 gears, 4.8
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Old Apr 29, 2004 | 05:41 PM
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average per instrument cluster = 11.5mpg
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Old Apr 29, 2004 | 06:24 PM
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I have a RC SB,5.3L,3.42's.Get around 14-18mpg on average.
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Old Apr 29, 2004 | 08:38 PM
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SS...

Daily idiot-like driving: 16.5+

When I drive like the other cars on the road: 19.0

When I put on the blue wig and drive real slow: Not sure, but I'm shooting for 20's!

All of these are per the DIC.
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Old Apr 29, 2004 | 09:40 PM
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5.3
A/T
Ex. Cab
285 BFGAT
Pro-Tech
Borla Catbach
Hypertech Pgr III
Flex a Lite Fans

22 mpg Flat country, No A/C, cruise@ 55,
19 mpg Highway
16 here n there
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