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roosterk0031 · 10-26-2013, 02:06 PM

How about Cobalt's worst, previous tank was first to drop under 36 mpg in 18 months of ownership. Combination of cold weather and a little extra ethanol.

10-26-2013, 02:06 PM	#71 (permalink)
roosterk0031 Master EcoModder Join Date: Jan 2011 Location: na Posts: 1,025 Thanks: 277 Thanked 218 Times in 185 Posts	How about Cobalt's worst, previous tank was first to drop under 36 mpg in 18 months of ownership. Combination of cold weather and a little extra ethanol.