Based on data from 84 vehicles, 7,103 fuel-ups and 1,890,229 miles of driving, the 2007 GMC Sierra 2500 HD gets a combined Avg MPG of 14.24 with a 0.09 MPG margin of error.

Any Engine Type 6.0L V8 GAS (13) 6.6L V8 DIESEL (58) V8 DIESEL (3) V8 GAS (2) Any Body Style Extended Cab Pickup (3) Crew Cab Pickup (17) Cab & Chassis - Extended Cab (1) Any Submodel WT (3) SL (8) SLE (22) SLT (44) Other (7)

Below you can see a distribution of the fuel-ups with 187 outliers (2.57%) removed.

Following shows the average MPG of each of the 84 vehicles in the system.

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• GMC 2500 DMax

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Jan 2018 • 181 Fuel-ups

  Property of NDC1

• 14.3 Avg MPG

• Truck

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2017 • 247 Fuel-ups

  Property of ksrake

• 15.6 Avg MPG

• Truck

  2007 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2017 • 382 Fuel-ups

  Property of Barney1975

• 14.9 Avg MPG

• My Sierra 2500 HD

  2007 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
  Added Dec 2017 • 219 Fuel-ups

  Property of DAP1

• 13.7 Avg MPG

• My Sierra 2500 HD

  2007 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
  Added Apr 2024 • 48 Fuel-ups

  Property of Dandersongm

• 15.5 Avg MPG

• 2007 GMC 2500HD

  2007 GMC Sierra 2500 HD SLT 6.0L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Jul 2024 • 34 Fuel-ups

  Property of MattZewski

• 10.0 Avg MPG

• My Sierra 2500 HD

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Aug 2021 • 67 Fuel-ups

  Property of carguy717

• 14.1 Avg MPG

• GMC Duramax

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Jan 2018 • 176 Fuel-ups

  Property of josh2018

• 15.4 Avg MPG

• Plow truck 2500 HD

  2007 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Speed
  Added May 2022 • 28 Fuel-ups

  Property of Funnyguy1045

• 6.1 Avg MPG

• My Sierra 2500 HD

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Sep 2019 • 307 Fuel-ups

  Property of pheidingsfelder

• 13.4 Avg MPG

• My Sierra 2500 HD

  2007 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
  Added Apr 2020 • 215 Fuel-ups

  Property of colt_f

• 15.8 Avg MPG

• GMC Sierra

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2023 • 512 Fuel-ups

  Property of JoggerFogger

• 16.5 Avg MPG

• W/T LBZ

  2007 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL
  Added Oct 2024 • 25 Fuel-ups

  Property of TheDeafGuy

• 16.1 Avg MPG

• 2007 GMC Sierra

  2007 GMC Sierra 2500 HD WT 6.0L V8 GAS Crew Cab Pickup
  Added May 2024 • 43 Fuel-ups

  Property of gcgoodwin

• 13.2 Avg MPG

• 07' GMC

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jan 2025 • 182 Fuel-ups

  Property of paychopongo9

• 16.1 Avg MPG

• Truck

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Oct 2017 • 255 Fuel-ups

  Property of Aircooledab

• 15.7 Avg MPG

• Truck

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Nov 2017 • 193 Fuel-ups

  Property of Shenlon

• 14.3 Avg MPG

• My Sierra 2500 HD

  2007 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
  Added Sep 2023 • 20 Fuel-ups

  Property of S34R1

• 11.4 Avg MPG

• Dmax

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Aug 2016 • 481 Fuel-ups

  Property of KTBHDH

• 12.0 Avg MPG

• GMC Truck

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Aug 2016 • 132 Fuel-ups

  Property of bracken898

• 14.1 Avg MPG

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