2011 GMC Sierra runs on 4 cylinder to about 45 mph, mpg around 16-17. Sometimes will go 55-60 with good mpg readout. 5:3l. (Fuel Efficiency (MPG) GMC Sierra 1500)

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Question Details Asked:Feb 27, 2013 - 11:09 AMStatus:Closed

kmt3	2011 GMC Sierra runs on 4 cylinder to about 45 mph, mpg around 16-17. Sometimes will go 55-60 with good mpg readout. 5:3l. I would like to hear how others with 5.3l run in 4 cylinder mode and mpg.
	In Maintenance & Repair > Fuel Efficiency (MPG) In Makes & Models > GMC > Sierra 1500 1 answer - 111 days ago
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steve_ 02/27/13 5:33 pm PST

Check out the Chevy Silverado and GMC Sierra Real World MPG Numbers discussion on the Edmunds Forums here.

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