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01-15-2011, 11:40 PM
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#15 |
 
Drives: 2010 RS 2 SS Join Date: Aug 2009
Location: FLEMING COUNTY , KY
Posts: 415
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just got back home in the wifes 2006 2 dr. colbalt 21,xxx miles auto 4 spd. all stock with no mods and 2500 rpm's @ 70 mph with an average of 29.6 mpg. so it sounds right to me .
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