Based on data from 81 vehicles, 6,785 fuel-ups and 1,765,793 miles of driving, the 2007 GMC Sierra 2500 HD gets a combined Avg MPG of 14.18 with a 0.09 MPG margin of error.

Any Engine Type 6.0L V8 GAS (12) 6.6L V8 DIESEL (56) V8 DIESEL (3) V8 GAS (2) Any Body Style Extended Cab Pickup (3) Crew Cab Pickup (14) Cab & Chassis - Extended Cab (1) Any Submodel WT (2) SL (8) SLE (22) SLT (42) Other (7)

Below you can see a distribution of the fuel-ups with 114 outliers (1.65%) removed.

Following shows the average MPG of each of the 81 vehicles in the system.

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• GMC 2500

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added May 2018 • 340 Fuel-ups

  Property of abartlett

• 13.9 Avg MPG

• My Sierra 2500 HD

  2007 GMC Sierra 2500 HD SL
  Added Dec 2014 • 31 Fuel-ups

  Property of snafu_1

• 17.6 Avg MPG

• GMC Sierra 2500 HD

  2007 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 6 Speed Extended Cab Pickup
  Added Dec 2017 • 58 Fuel-ups

  Property of digglesauce

• 11.0 Avg MPG

• Betty

  2007 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Dec 2017 • 125 Fuel-ups

  Property of Trippy14

• 16.6 Avg MPG

• Sierra

  2007 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
  Added Nov 2018 • 115 Fuel-ups

  Property of ddak03

• 15.2 Avg MPG

• GMC Sierra 2500 HD

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Manual 5 Speed Crew Cab Pickup
  Added Jan 2019 • 11 Fuel-ups

  Property of jaboney

• 16.5 Avg MPG

• Pick-up

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2017 • 64 Fuel-ups

  Property of Jetjr82

• 13.0 Avg MPG

• 2007 GMC Sierra

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Aug 2018 • 50 Fuel-ups

  Property of paychopongo9

• 16.5 Avg MPG

• My Sierra 2500 HD

  2007 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
  Added Jan 2019 • 16 Fuel-ups

  Property of LBZBURNINDIESEL

• 11.9 Avg MPG

• Great white

  2007 GMC Sierra 2500 HD SLE
  Added Oct 2017 • 188 Fuel-ups

  Property of Thekwthemost

• 10.4 Avg MPG

• Truck

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Oct 2017 • 194 Fuel-ups

  Property of Aircooledab

• 16.0 Avg MPG

• My Sierra 2500 HD

  2007 GMC Sierra 2500 HD SLT 6.0L V8 GAS Automatic 6 Speed
  Added Dec 2018 • 3 Fuel-ups

  Property of cook1965

• 14.0 Avg MPG

• 2007 Duramax

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2017 • 126 Fuel-ups

  Property of brbrb

• 15.4 Avg MPG

• My Sierra 2500 HD 2007

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Dec 2016 • 58 Fuel-ups

  Property of Tom23

• 15.6 Avg MPG

• Sierra 2500 HD

  2007 GMC Sierra 2500 HD SLT 6.0L V8 GAS Standard 5 Speed
  Added Mar 2018 • 23 Fuel-ups

  Property of Japel277

• 9.4 Avg MPG

• GMC Sierra 2500HD

  2007 GMC Sierra 2500 HD SL 6.0L V8 GAS Automatic 4 Speed
  Added Sep 2018 • 28 Fuel-ups

  Property of bigzap

• 10.7 Avg MPG

• My Sierra 2500 HD

  2007 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2018 • 11 Fuel-ups

  Property of BobbyRylands

• 14.1 Avg MPG

• My Sierra 2500 HD

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Nov 2017 • 3 Fuel-ups

  Property of markymark66

• 12.9 Avg MPG

• My Sierra 2500 HD

  2007 GMC Sierra 2500 HD WT 6.0L V8 GAS Automatic 4 Speed
  Added Sep 2017 • 7 Fuel-ups

  Property of russellboy

• 10.4 Avg MPG

• LBZ

  2007 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2016 • 53 Fuel-ups

  Property of liebscher16

• 14.1 Avg MPG

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