Based on data from 85 vehicles, 6,601 fuel-ups and 1,713,620 miles of driving, the 2009 GMC Sierra 1500 gets a combined Avg MPG of 14.62 with a 0.08 MPG margin of error.

Any Engine Type 4.3L V6 GAS (2) 4.8L V8 GAS (13) 5.3L V8 FLEX (22) 5.3L V8 GAS (20) 6.0L V8 ELECTRIC/GAS (3) 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 (10) Crew Cab Pickup (8) Extended Crew Cab Pickup (1) Cab & Chassis - Crew Cab (1) Any Submodel Hybrid (3) Denali (3) SL (4) WT (11) SLT (13) SLE (32) Other (19)

Below you can see a distribution of the fuel-ups with 94 outliers (1.40%) removed.

Following shows the average MPG of each of the 85 vehicles in the system.

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• My Sierra 1500

  2009 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
  Added Mar 2018 • 194 Fuel-ups

  Property of bspringer27

• 16.4 Avg MPG

• Truck

  2009 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed Extended Cab Pickup
  Added Jan 2020 • 434 Fuel-ups

  Property of puzdan

• 16.8 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
  Added Oct 2020 • 144 Fuel-ups

  Property of wpenner

• 13.5 Avg MPG

• 2009 GMC Sierra 1500

  2009 GMC Sierra 1500 WT 5.3L V8 FLEX Automatic 6 Speed
  Added Jan 2022 • 80 Fuel-ups

  Property of Knightsabre

• 15.2 Avg MPG

• GMC Sierra

  2009 GMC Sierra 1500 WT 4.8L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Jul 2015 • 173 Fuel-ups

  Property of m202748

• 15.1 Avg MPG

• 2009 GMC Sierra 1500 Crewcab Z71

  2009 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2016 • 641 Fuel-ups

  Property of 66GMCTruckin

• 13.5 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2019 • 268 Fuel-ups

  Property of jsigrist

• 14.3 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 WT 4.3L V6 GAS Automatic 4 Speed
  Added Jul 2020 • 97 Fuel-ups

  Property of Duuckky

• 18.9 Avg MPG

• 09 GMC

  2009 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Sep 2018 • 294 Fuel-ups

  Property of ziesenis

• 13.2 Avg MPG

• Sierra

  2009 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added Oct 2017 • 489 Fuel-ups

  Property of danbunds

• 13.0 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 Hybrid 6.0L V8 ELECTRIC/GAS Automatic 4 Speed
  Added Nov 2022 • 28 Fuel-ups

  Property of mattig

• 15.9 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 WT 4.3L V6 GAS Automatic 4 Speed
  Added Feb 2018 • 345 Fuel-ups

  Property of gmctruck7

• 19.0 Avg MPG

• 09 Sierra 1500

  2009 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Jun 2021 • 7 Fuel-ups

  Property of 0ffroader

• 10.2 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
  Added May 2021 • 85 Fuel-ups

  Property of Braden21

• 11.2 Avg MPG

• 2009 Sierra 1500

  2009 GMC Sierra 1500 Hybrid 6.0L V8 ELECTRIC/GAS Automatic 4 Speed Crew Cab Pickup
  Added Sep 2022 • 3 Fuel-ups

  Property of vikekev

• 139.6 Avg MPG

• 2009 GMC Sierra

  2009 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
  Added Mar 2017 • 399 Fuel-ups

  Property of tkdeadaim

• 14.1 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
  Added Oct 2021 • 24 Fuel-ups

  Property of sadimatteo

• 10.0 Avg MPG

• Gmc Truck

  2009 GMC Sierra 1500 WT
  Added Aug 2018 • 133 Fuel-ups

  Property of aerobiotic

• 14.6 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Crew Cab Pickup
  Added Oct 2018 • 3 Fuel-ups

  Property of boonecal

• 12.4 Avg MPG

• GMC Sierra

  2009 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
  Added Apr 2017 • 368 Fuel-ups

  Property of kedwards63

• 18.1 Avg MPG

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