Based on data from 94 vehicles, 6,929 fuel-ups and 1,792,889 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 (23) 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 (14) SLE (39) Other (19)

Below you can see a distribution of the fuel-ups with 104 outliers (1.48%) removed.

Following shows the average MPG of each of the 94 vehicles in the system.

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• My Sierra 1500

  2009 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
  Added Oct 2020 • 216 Fuel-ups

  Property of wpenner

• 13.6 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 WT 4.3L V6 GAS Automatic 4 Speed
  Added Jul 2020 • 121 Fuel-ups

  Property of Duuckky

• 18.7 Avg MPG

• GMC Sierra

  2009 GMC Sierra 1500 WT 4.8L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Jul 2015 • 208 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 • 361 Fuel-ups

  Property of jsigrist

• 14.1 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
  Added Mar 2018 • 240 Fuel-ups

  Property of bspringer27

• 16.3 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Crew Cab Pickup
  Added Oct 2018 • 99 Fuel-ups

  Property of boonecal

• 13.7 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
  Added May 2021 • 86 Fuel-ups

  Property of Braden21

• 11.2 Avg MPG

• Sierra

  2009 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added Oct 2017 • 520 Fuel-ups

  Property of danbunds

• 12.9 Avg MPG

• GMC

  2009 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added Jun 2024 • 15 Fuel-ups

  Property of naschrom

• 15.6 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
  Added Aug 2024 • 11 Fuel-ups

  Property of DWalls359

• 14.0 Avg MPG

• 2009 Sierra 1500

  2009 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Apr 2024 • 8 Fuel-ups

  Property of Copaseal

• 12.4 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 WT 5.3L V8 FLEX Automatic 6 Speed
  Added Mar 2024 • 48 Fuel-ups

  Property of CostcoSamples

• 15.4 Avg MPG

• '09 Sierra

  2009 GMC Sierra 1500 Custom Submodel V8 GAS
  Added Jan 2014 • 355 Fuel-ups

  Property of drw4747

• 15.3 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Oct 2024 • 3 Fuel-ups

  Property of zship1345

• 12.6 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 2009 Sierra

  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

• 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

• 2009 GMC Sierra 1500 Crewcab Z71

  2009 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2016 • 697 Fuel-ups

  Property of 66GMCTruckin

• 13.8 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

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