Based on data from 79 vehicles, 6,127 fuel-ups and 1,595,979 miles of driving, the 2009 GMC Sierra 1500 gets a combined Avg MPG of 14.56 with a 0.08 MPG margin of error.

Any Engine Type 4.3L V6 GAS (2) 4.8L V8 GAS (14) 5.3L V8 FLEX (18) 5.3L V8 GAS (20) 6.0L V8 ELECTRIC/GAS (1) 6.0L V8 GAS (2) 6.2L V8 FLEX (2) GAS (1) V8 FLEX (6) V8 GAS (9) Any Body Style Standard Cab Pickup (2) Extended Cab Pickup (9) Crew Cab Pickup (8) Cab & Chassis - Crew Cab (1) Any Submodel Hybrid (1) Denali (2) SL (4) WT (10) SLT (14) SLE (29) Other (19)

Below you can see a distribution of the fuel-ups with 84 outliers (1.35%) removed.

Following shows the average MPG of each of the 79 vehicles in the system.

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• My Sierra 1500

  2009 GMC Sierra 1500 WT 4.3L V6 GAS Automatic 4 Speed
  Added Feb 2018 • 313 Fuel-ups

  Property of gmctruck7

• 19.2 Avg MPG

• Truck

  2009 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added Oct 2017 • 445 Fuel-ups

  Property of danbunds

• 13.1 Avg MPG

• Sierra

  2009 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Dec 2019 • 265 Fuel-ups

  Property of cr5

• 16.5 Avg MPG

• 2009 GMC Sierra

  2009 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
  Added Mar 2017 • 333 Fuel-ups

  Property of tkdeadaim

• 14.3 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
  Added Oct 2020 • 49 Fuel-ups

  Property of wpenner

• 13.1 Avg MPG

• GMC 1500

  2009 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Apr 2012 • 500 Fuel-ups

  Property of tirnanah

• 13.2 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
  Added Mar 2018 • 137 Fuel-ups

  Property of bspringer27

• 16.5 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2019 • 174 Fuel-ups

  Property of jsigrist

• 14.5 Avg MPG

• 09 GMC

  2009 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Sep 2018 • 230 Fuel-ups

  Property of ziesenis

• 13.4 Avg MPG

• 2009 GMC Sierra 1500 Crewcab Z71

  2009 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2016 • 529 Fuel-ups

  Property of 66GMCTruckin

• 13.2 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Aug 2021 • 5 Fuel-ups

  Property of RustedWrench

• 13.1 Avg MPG

• Truck

  2009 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed Extended Cab Pickup
  Added Jan 2020 • 232 Fuel-ups

  Property of puzdan

• 17.3 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
  Added May 2021 • 15 Fuel-ups

  Property of Braden21

• 12.6 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 WT 4.8L V8 GAS Automatic 4 Speed
  Added Jul 2018 • 85 Fuel-ups

  Property of dabossdrake

• 14.3 Avg MPG

• GMC Sierra

  2009 GMC Sierra 1500 WT 4.8L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Jul 2015 • 145 Fuel-ups

  Property of m202748

• 14.9 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 WT 4.3L V6 GAS Automatic 4 Speed
  Added Jul 2020 • 37 Fuel-ups

  Property of Duuckky

• 19.1 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2020 • 76 Fuel-ups

  Property of sierra09

• 12.7 Avg MPG

• '09 Sierra 1500

  2009 GMC Sierra 1500 SL 4.8L V8 GAS Automatic 4 Speed
  Added Nov 2017 • 13 Fuel-ups

  Property of urq20v

• 14.1 Avg MPG

• GMC Sierra

  2009 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
  Added Apr 2017 • 347 Fuel-ups

  Property of kedwards63

• 18.1 Avg MPG

• Gmc Truck

  2009 GMC Sierra 1500 WT
  Added Aug 2018 • 119 Fuel-ups

  Property of aerobiotic

• 12.9 Avg MPG

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