Based on data from 100 vehicles, 7,503 fuel-ups and 2,119,350 miles of driving, the 2006 GMC Sierra 1500 gets a combined Avg MPG of 14.98 with a 0.05 MPG margin of error.

Any Engine Type 4.3L V6 GAS (8) 4.8L V8 GAS (19) 5.3L V8 FLEX (7) 5.3L V8 GAS (48) 6.0L V8 GAS (8) V8 GAS (8) Any Body Style Standard Cab Pickup (2) Extended Cab Pickup (14) Crew Cab Pickup (8) Any Submodel Denali (7) WT (8) SL (15) SLT (25) SLE (35) Other (10)

Below you can see a distribution of the fuel-ups with 760 outliers (9.20%) removed.

Following shows the average MPG of each of the 100 vehicles in the system.

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• 2006 GMC Sierra

  2006 GMC Sierra 1500 WT 4.3L V6 GAS Standard 5 Speed
  Added Aug 2016 • 25 Fuel-ups

  Property of nf2l0238

• 17.1 Avg MPG

• 2006 GMC Sierra

  2006 GMC Sierra 1500 WT 4.3L V6 GAS Standard 5 Speed
  Added Sep 2016 • 25 Fuel-ups

  Property of nf2l0238

• 17.1 Avg MPG

• GMC Truck

  2006 GMC Sierra 1500 GAS V8
  Added Oct 2012 • 55 Fuel-ups

  Property of Saabjoy

• 13.2 Avg MPG

• Sierra

  2006 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2016 • 155 Fuel-ups

  Property of chevyman142000

• 15.5 Avg MPG

• My Sierra 1500

  2006 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Crew Cab Pickup (4 Door)
  Added Jul 2015 • 4 Fuel-ups

  Property of Zach97

• 15.0 Avg MPG

• My Sierra 1500

  2006 GMC Sierra 1500 SL 4.3L GAS V6 Automatic 4 Crew Cab Pickup (4 Door)
  Added Mar 2015 • 4 Fuel-ups

  Property of EinsteinQRockefeller

• 15.1 Avg MPG

• Denali

  2006 GMC Sierra 1500 Denali 6.0L GAS V8 Automatic 4 Crew Cab Pickup (4 Door)
  Added Jan 2015 • 11 Fuel-ups

  Property of tom_e

• 12.6 Avg MPG

• Truck

  2006 GMC Sierra 1500 SLT 6.0L V8 GAS Automatic 4 Speed
  Added Aug 2016 • 102 Fuel-ups

  Property of pvismans

• 15.5 Avg MPG

• Sierra

  2006 GMC Sierra 1500
  Added Mar 2011 • 207 Fuel-ups

  Property of 06Sierra

• 15.2 Avg MPG

• Work

  2006 GMC Sierra 1500 Denali 6.0L V8 GAS Automatic 4 Speed
  Added Apr 2018 • 99 Fuel-ups

  Property of adcdt

• 105.8 Avg MPG

• Craig's truck

  2006 GMC Sierra 1500
  Added Mar 2014 • 5 Fuel-ups

  Property of bobbybanshee

• 15.8 Avg MPG

• GMC Sierra 1500

  2006 GMC Sierra 1500 WT 4.8L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 248 Fuel-ups

  Property of mnadler

• 16.1 Avg MPG

• Sierra

  2006 GMC Sierra 1500 GAS V8
  Added Aug 2011 • 56 Fuel-ups

  Property of bigiron

• 17.4 Avg MPG

• Gentleman Jack

  2006 GMC Sierra 1500 GAS V8
  Added Jan 2014 • 4 Fuel-ups

  Property of yogigermain

• 15.3 Avg MPG

• Crack Wagon

  2006 GMC Sierra 1500 GAS V8
  Added Feb 2014 • 3 Fuel-ups

  Property of lgbehler

• 8.4 Avg MPG

• Gmc

  2006 GMC Sierra 1500 GAS V8
  Added Feb 2013 • 17 Fuel-ups

  Property of tuner1406

• 15.2 Avg MPG

• TRUCK

  2006 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2017 • 156 Fuel-ups

  Property of jaketh

• 14.9 Avg MPG

• Sierra

  2006 GMC Sierra 1500 GAS V8
  Added Nov 2012 • 9 Fuel-ups

  Property of afreeman

• 15.8 Avg MPG

• Old Red

  2006 GMC Sierra 1500 GAS V8
  Added Apr 2012 • 7 Fuel-ups

  Property of nelson67

• 24.5 Avg MPG

• whitey

  2006 GMC Sierra 1500 GAS V8
  Added Jul 2010 • 9 Fuel-ups

  Property of mxman

• 16.3 Avg MPG

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