Based on data from 94 vehicles, 6,953 fuel-ups and 1,799,995 miles of driving, the 2009 GMC Sierra 1500 gets a combined Avg MPG of 14.51 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 (15) SLE (38) Other (19)

Below you can see a distribution of the fuel-ups with 102 outliers (1.45%) removed.

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

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• 2009 Sierra 1500

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

  Property of vikekev

• 139.6 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
  Added Nov 2023 • 24 Fuel-ups

  Property of dustinmoorman

• 14.3 Avg MPG

• 2009 GMC Sierra 1500

  2009 GMC Sierra 1500 WT 5.3L V8 FLEX Automatic 6 Speed
  Added Jan 2022 • 111 Fuel-ups

  Property of Knightsabre

• 15.0 Avg MPG

• Truck

  2009 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed Extended Cab Pickup
  Added Jan 2020 • 447 Fuel-ups

  Property of puzdan

• 16.7 Avg MPG

• Sierra 1500

  2009 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Sep 2023 • 3 Fuel-ups

  Property of BTrain87

• 26.3 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 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

• 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

• Sierra

  2009 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added Oct 2022 • 8 Fuel-ups

  Property of fernhieb

• 12.8 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Aug 2021 • 11 Fuel-ups

  Property of RustedWrench

• 13.3 Avg MPG

• My Sierra 1500

  2009 GMC Sierra 1500 WT 4.8L V8 GAS Automatic 4 Speed
  Added Jul 2018 • 88 Fuel-ups

  Property of dabossdrake

• 14.2 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

• Black Beauty

  2009 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added May 2019 • 89 Fuel-ups

  Property of jkrambel

• 15.1 Avg MPG

• GMC 2009 Sierra

  2009 GMC Sierra 1500 SLE 6.0L V8 GAS Automatic 3 Speed Extended Cab Pickup
  Added Sep 2018 • 20 Fuel-ups

  Property of rivercapt

• 26.4 Avg MPG

• Moe

  2009 GMC Sierra 1500 SL 4.8L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Aug 2020 • 23 Fuel-ups

  Property of 79f100

• 15.3 Avg MPG

• GMC Sierra 1500

  2009 GMC Sierra 1500 WT 5.3L V8 GAS Automatic 6 Speed
  Added Aug 2018 • 5 Fuel-ups

  Property of bbremer

• 15.5 Avg MPG

• Gmc

  2009 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Oct 2017 • 247 Fuel-ups

  Property of Timlong791

• 16.0 Avg MPG

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