Fuel Economy

Zembonez

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What kind of gas mileage are you guys getting?

Mine: 2007 GMC V8 AT RCSB / 16.7 average since new (13,000 miles)
 
V

Vmax2007

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a whopping 13.1 according to the DIC, I never bother checking it manually, cuz I don't care. :D
 

Zembonez

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Aren't WE a bunch of crotchety bastards!:D
 

daddy

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I'd have to guess around 12 city and 17.5 hwy. I'd have to guess because I only look at the readings every once in a while - It's a truck, I don't expect great mileage, I just drive. :D
 

Stumpuller6.5

Shits gonna get Abrasive...
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last tank was 11.5, have aired up the tires recentley so that should help, best i ever got was 18.5 that was YEARS AGO though... kinda tough with all the mods to drive nicely...
 

Sodbuster

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Have around 750 miles since last mileage reset..and with 70/30 city/highway driving I'm getting around 17.5 mpg.
 

Bigredmariner

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My 2006 with 5.3l and 3.42's usually gets 19.5 to 20mpg. 95% of my driving is highway miles, I tend to get better mpg when doing 70+ mph, oddly it gets worse the slower I go. :dunno:
 

nobrakes00

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'08 5.3L 4spd ext cab 3.73 with stock 20's: Last tank was 15.8 mpg per the DIC. Cross checked it manually and dead on accurate. The truck is very efficient on the hwy if you can keep her below 75-80 mph. Everybody hauls arse here in So Cal.
 

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