Android Users - Coming Soon! - Migrating from aCar 4.8 to 5.0

GMC Sierra MPG

112 GMC Sierras have provided 3.0 million miles of real world fuel economy & MPG data.
Click here to view all the GMC Sierras currently participating in our fuel tracking program.

GMC Sierras For Sale Nearby

  • 2017
  • 17.7 Avg MPG
  • 3 Vehicles
  • 98 Fuel-ups
  • 31,257 Miles Tracked
  • 2016
  • 13.9 Avg MPG
  • 5 Vehicles
  • 282 Fuel-ups
  • 89,251 Miles Tracked
  • 2015
  • 15.5 Avg MPG
  • 14 Vehicles
  • 1,043 Fuel-ups
  • 292,428 Miles Tracked
  • 2014
  • 16.4 Avg MPG
  • 14 Vehicles
  • 1,388 Fuel-ups
  • 410,358 Miles Tracked
  • 2013
  • 14.9 Avg MPG
  • 3 Vehicles
  • 241 Fuel-ups
  • 65,845 Miles Tracked
  • 2012
  • 14.3 Avg MPG
  • 16 Vehicles
  • 1,574 Fuel-ups
  • 430,907 Miles Tracked
  • 2011
  • 15.3 Avg MPG
  • 16 Vehicles
  • 2,113 Fuel-ups
  • 584,195 Miles Tracked
  • 2010
  • 15.0 Avg MPG
  • 12 Vehicles
  • 1,328 Fuel-ups
  • 425,469 Miles Tracked
  • 2009
  • 15.0 Avg MPG
  • 13 Vehicles
  • 920 Fuel-ups
  • 266,259 Miles Tracked
  • 2008
  • 15.8 Avg MPG
  • 9 Vehicles
  • 1,172 Fuel-ups
  • 297,290 Miles Tracked
  • 2007
  • 14.2 Avg MPG
  • 7 Vehicles
  • 515 Fuel-ups
  • 133,299 Miles Tracked

Recent Activity

from other GMC Sierra vehicles (View All)

Tips

Top Tier Fuel not what it's pumped up to be

An additive package cannot make good fuel out of dirty, low-... ...

by Jedda

Read more tips