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Old 01-18-2011, 09:58 PM   #20 (permalink)
Old Tele man
...beats walking...
 
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Join Date: Jul 2009
Location: Tucson, AZ
Posts: 3,351

Vibe - '09 Vibe Base (2ZR-FE)
90 day: 32.19 mpg (US)

Goldie Locks - '011 Cruze LTZ
90 day: 29.42 mpg (US)
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...here's a low-cost web-downloadable software program (Speed-Wiz) that might help:

Drag Coefficient Calculation
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