Based on data from 83 vehicles, 6,903 fuel-ups and 1,810,931 miles of driving, the 2007 GMC Sierra 2500 HD gets a combined Avg MPG of 14.13 with a 0.09 MPG margin of error.

Any Engine Type 6.0L V8 GAS (14) 6.6L V8 DIESEL (56) V8 DIESEL (3) V8 GAS (2) Any Body Style Extended Cab Pickup (3) Crew Cab Pickup (16) Cab & Chassis - Extended Cab (1) Any Submodel WT (3) SL (8) SLE (22) SLT (43) Other (7)

Below you can see a distribution of the fuel-ups with 118 outliers (1.68%) removed.

Following shows the average MPG of each of the 83 vehicles in the system.

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• Great white

  2007 GMC Sierra 2500 HD SLE
  Added Oct 2017 • 189 Fuel-ups

  Property of Thekwthemost

• 10.4 Avg MPG

• My Sierra 2500 HD

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Oct 2022 • 92 Fuel-ups

  Property of BrandonHooper

• 11.8 Avg MPG

• Plow truck 2500 HD

  2007 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Speed
  Added May 2022 • 26 Fuel-ups

  Property of Funnyguy1045

• 6.1 Avg MPG

• Truck

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Extended Cab Pickup
  Added Dec 2019 • 493 Fuel-ups

  Property of dquapp

• 18.2 Avg MPG

• Betty White

  2007 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 4 Speed
  Added Apr 2022 • 79 Fuel-ups

  Property of Lord_Commander

• 11.9 Avg MPG

• My Sierra 2500 HD

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2020 • 103 Fuel-ups

  Property of jaredx

• 13.7 Avg MPG

• My Sierra 2500 HD

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Apr 2023 • 24 Fuel-ups

  Property of arcade

• 17.9 Avg MPG

• My Sierra 2500 HD

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Jan 2022 • 17 Fuel-ups

  Property of collinmcmaster

• 16.2 Avg MPG

• Darkness

  2007 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2019 • 278 Fuel-ups

  Property of Reddirtboy74

• 16.6 Avg MPG

• My Sierra 2500 HD

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Dec 2020 • 117 Fuel-ups

  Property of JaySimo

• 14.6 Avg MPG

• My Sierra 2500 HD

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Dec 2022 • 19 Fuel-ups

  Property of leistera

• 12.9 Avg MPG

• My Sierra 2500 HD

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added May 2021 • 31 Fuel-ups

  Property of Cbedford

• 13.5 Avg MPG

• Sarra

  2007 GMC Sierra 2500 HD WT 6.0L V8 GAS Automatic 4 Speed
  Added Aug 2021 • 27 Fuel-ups

  Property of KnoxCox

• 11.4 Avg MPG

• Chev 2500

  2007 GMC Sierra 2500 HD SL 6.6L V8 DIESEL
  Added Aug 2022 • 22 Fuel-ups

  Property of Z-man-P

• 9.5 Avg MPG

• Betty

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Jul 2018 • 77 Fuel-ups

  Property of DylanBH

• 14.8 Avg MPG

• Duramax

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Jan 2023 • 48 Fuel-ups

  Property of Farmerandy

• 16.5 Avg MPG

• 07' GMC

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added May 2021 • 20 Fuel-ups

  Property of psychopongo9

• 16.0 Avg MPG

• Sierra

  2007 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Speed
  Added Aug 2020 • 130 Fuel-ups

  Property of tszajewski

• 9.2 Avg MPG

• Sierra

  2007 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
  Added Sep 2016 • 224 Fuel-ups

  Property of ddak03

• 14.8 Avg MPG

• My Sierra 2500 HD

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added May 2021 • 31 Fuel-ups

  Property of lukehefferan

• 15.0 Avg MPG

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