Based on data from 82 vehicles, 6,411 fuel-ups and 1,838,341 miles of driving, the 2006 GMC Sierra 1500 gets a combined Avg MPG of 15.05 with a 0.06 MPG margin of error.

Any Engine Type 4.3L V6 GAS (5) 4.8L V8 GAS (15) 5.3L V8 FLEX (5) 5.3L V8 GAS (39) 6.0L V8 GAS (6) V8 FLEX (1) V8 GAS (8) Any Body Style Standard Cab Pickup (1) Extended Cab Pickup (12) Crew Cab Pickup (6) Any Submodel WT (5) Denali (5) SL (12) SLT (19) SLE (30) Other (11)

Below you can see a distribution of the fuel-ups with 309 outliers (4.60%) removed.

Following shows the average MPG of each of the 82 vehicles in the system.

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• My Sierra 1500

  2006 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Feb 2019 • 159 Fuel-ups

  Property of rweeks82

• 14.4 Avg MPG

• My Sierra 1500

  2006 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Nov 2018 • 109 Fuel-ups

  Property of cd86

• 14.5 Avg MPG

• The Yetti

  2006 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2018 • 204 Fuel-ups

  Property of jonathanrsmith

• 15.5 Avg MPG

• My Sierra 1500

  2006 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Oct 2018 • 135 Fuel-ups

  Property of JeremyHelt

• 13.4 Avg MPG

• Sierra 1500

  2006 GMC Sierra 1500 Denali 6.0L V8 GAS Automatic 4 Speed
  Added May 2019 • 31 Fuel-ups

  Property of jejensen

• 14.9 Avg MPG

• Carter's Truck

  2006 GMC Sierra 1500 SL 4.3L V6 GAS Automatic 4 Speed
  Added Apr 2017 • 692 Fuel-ups

  Property of Carterjr

• 12.2 Avg MPG

• My Sierra 1500

  2006 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
  Added Feb 2018 • 31 Fuel-ups

  Property of ssamperi

• 13.9 Avg MPG

• Trucky

  2006 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2016 • 288 Fuel-ups

  Property of starky98

• 15.3 Avg MPG

• My Sierra 1500

  2006 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added May 2020 • 8 Fuel-ups

  Property of cacf999

• 15.4 Avg MPG

• GMC

  2006 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed Extended Cab Pickup
  Added Sep 2019 • 98 Fuel-ups

  Property of claybo1708

• 16.5 Avg MPG

• GMC Serria

  2006 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Sep 2016 • 229 Fuel-ups

  Property of danielscfi

• 16.5 Avg MPG

• Gray truck

  2006 GMC Sierra 1500 SL 4.8L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 218 Fuel-ups

  Property of svitatoe

• 15.5 Avg MPG

• GMC

  2006 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Apr 2018 • 43 Fuel-ups

  Property of kevind257

• 15.5 Avg MPG

• 2006 GMC Sierra

  2006 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Sep 2016 • 57 Fuel-ups

  Property of ih_fan

• 17.6 Avg MPG

• GMC Truck

  2006 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Jan 2016 • 28 Fuel-ups

  Property of dredog70

• 19.5 Avg MPG

• GMC Sierra 1500

  2006 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2017 • 109 Fuel-ups

  Property of WadeWade

• 16.5 Avg MPG

• Sierra 1500 SLE

  2006 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Oct 2017 • 33 Fuel-ups

  Property of Volsk

• 16.6 Avg MPG

• My Sierra 1500

  2006 GMC Sierra 1500 SL 4.8L V8 GAS Automatic 4 Speed
  Added Jul 2018 • 29 Fuel-ups

  Property of Katieque1

• 14.0 Avg MPG

• My 2nd GMC

  2006 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Feb 2017 • 124 Fuel-ups

  Property of 3dhawkeye

• 14.4 Avg MPG

• Gary'Pickup

  2006 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Apr 2018 • 176 Fuel-ups

  Property of GDarby

• 18.0 Avg MPG

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