Quote:
Originally Posted by Linker239
I had a 2011 5.3 single cab sierra and I got about that going through the city.
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That's horrible. My 2004 5.3 single cab Silverado gets 15 MPG city and 22 highway. This is even with 20's on it.
Sounds like you guys are idling way too much or you can't manage the gas pedal correctly. 
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2011 Summit White Camaro 1SS/RS
-6.2 LS3, TR6060, 3.45, G80
2004 Black Silverado 1500 2WD Regular Cab, Short Bed
-5.3 LM7, 4L60E, 3.42, G80
2014 White Caprice PPV
-6.0 L77, 6L80E, 2.92, G80
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