Based on data from 95 vehicles, 7,023 fuel-ups and 1,817,374 miles of driving, the 2009 GMC Sierra 1500 gets a combined Avg MPG of 14.50 with a 0.08 MPG margin of error.

Any Engine Type 4.3L V6 GAS (2) 4.8L V8 GAS (15) 5.3L V8 FLEX (26) 5.3L V8 GAS (24) 6.0L V8 ELECTRIC/GAS (2) 6.0L V8 FULL HYBRID EV-GAS (FHEV) (1) 6.0L V8 GAS (2) 6.2L V8 FLEX (3) GAS (1) V8 FLEX (6) V8 GAS (9) Any Body Style Standard Cab Pickup (2) Extended Cab Pickup (11) Crew Cab Pickup (8) Extended Crew Cab Pickup (1) Cab & Chassis - Crew Cab (1) Any Submodel Hybrid (3) Denali (3) SL (4) WT (12) SLT (16) SLE (38) Other (19)

Below you can see a distribution of the fuel-ups with 102 outliers (1.43%) removed.

Following shows the average MPG of each of the 95 vehicles in the system.

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• My Sierra 1500

  2009 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
  Added Apr 2024 • 48 Fuel-ups

  Property of rlking762

• 13.6 Avg MPG

• GMC Sierra

  2009 GMC Sierra 1500 WT 4.8L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Jul 2015 • 195 Fuel-ups

  Property of m202748

• 15.1 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2019 • 348 Fuel-ups

  Property of jsigrist

• 14.2 Avg MPG

• Sierra

  2009 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added Oct 2017 • 513 Fuel-ups

  Property of danbunds

• 12.9 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 WT 4.3L V6 GAS Automatic 4 Speed
  Added Jul 2020 • 115 Fuel-ups

  Property of Duuckky

• 18.7 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Crew Cab Pickup
  Added Oct 2018 • 83 Fuel-ups

  Property of boonecal

• 13.7 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
  Added Mar 2018 • 229 Fuel-ups

  Property of bspringer27

• 16.3 Avg MPG

• GMC

  2009 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
  Added Nov 2023 • 6 Fuel-ups

  Property of rslawson

• 14.1 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
  Added Oct 2020 • 210 Fuel-ups

  Property of wpenner

• 13.6 Avg MPG

• GMC

  2009 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added Jun 2024 • 12 Fuel-ups

  Property of naschrom

• 13.9 Avg MPG

• 2009 Sierra 1500

  2009 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Apr 2024 • 6 Fuel-ups

  Property of Copaseal

• 12.8 Avg MPG

• 09 GMC

  2009 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Sep 2018 • 336 Fuel-ups

  Property of ziesenis

• 13.0 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
  Added Nov 2023 • 109 Fuel-ups

  Property of Aaron82391

• 16.7 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 WT 4.3L V6 GAS Automatic 4 Speed
  Added Feb 2018 • 348 Fuel-ups

  Property of gmctruck7

• 19.0 Avg MPG

• 2009 GMC Sierra 1500 Crewcab Z71

  2009 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2016 • 694 Fuel-ups

  Property of 66GMCTruckin

• 13.8 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 WT 5.3L V8 FLEX Automatic 6 Speed
  Added Mar 2024 • 25 Fuel-ups

  Property of CostcoSamples

• 14.8 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
  Added Aug 2024 • 9 Fuel-ups

  Property of DWalls359

• 14.0 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 Hybrid 6.0L V8 FULL HYBRID EV-GAS (FHEV) Automatic 4 Speed
  Added Nov 2022 • 31 Fuel-ups

  Property of mattig

• 15.8 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2023 • 32 Fuel-ups

  Property of mamccarson84

• 13.7 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2023 • 61 Fuel-ups

  Property of scoop1500

• 13.6 Avg MPG

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