Based on data from 95 vehicles, 6,213 fuel-ups and 1,661,069 miles of driving, the 2007 GMC Sierra 1500 gets a combined Avg MPG of 14.17 with a 0.06 MPG margin of error.

Any Engine Type 4.3L V6 GAS (5) 4.8L V8 GAS (7) 5.3L V8 FLEX (11) 5.3L V8 GAS (40) 6.0L V8 GAS (10) 6.2L V8 GAS (2) V8 FLEX (3) V8 GAS (11) Any Body Style Extended Cab Pickup (2) Crew Cab Pickup (12) Any Submodel Denali (2) WT (6) SL (9) SLT (27) SLE (34) Other (17)

Below you can see a distribution of the fuel-ups with 284 outliers (4.37%) removed.

Following shows the average MPG of each of the 95 vehicles in the system.

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• My Sierra 1500

  2007 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
  Added Jul 2018 • 4 Fuel-ups

  Property of brothermarks

• 9.2 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLE 6.0L V8 GAS Automatic 4 Speed
  Added May 2019 • 6 Fuel-ups

  Property of scgobbler

• 15.7 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 WT 4.3L V6 GAS Automatic 4 Speed
  Added Dec 2018 • 26 Fuel-ups

  Property of mendezjuane

• 13.3 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLT 6.0L V8 GAS Automatic 4 Speed
  Added Feb 2019 • 25 Fuel-ups

  Property of Silentfun65

• 12.0 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 WT 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2018 • 20 Fuel-ups

  Property of rmorris525

• 12.6 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLE 6.0L V8 GAS Automatic 4 Speed
  Added Mar 2019 • 8 Fuel-ups

  Property of clarkthefiveo

• 12.5 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SL 4.3L V6 GAS Automatic 4 Speed
  Added Oct 2018 • 29 Fuel-ups

  Property of Lijok

• 13.8 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 WT 4.8L V8 GAS Automatic 4 Speed
  Added Jan 2019 • 24 Fuel-ups

  Property of Trey8234

• 8.6 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLT 6.0L V8 GAS Automatic 4 Speed
  Added May 2018 • 40 Fuel-ups

  Property of willhowe_42

• 13.0 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SL 5.3L V8 GAS Automatic 4 Speed
  Added Oct 2018 • 11 Fuel-ups

  Property of lweigler

• 11.4 Avg MPG

• Sierra

  2007 GMC Sierra 1500 SLT 6.0L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Apr 2018 • 187 Fuel-ups

  Property of silo4791

• 13.2 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2018 • 55 Fuel-ups

  Property of Terrystribbell

• 11.9 Avg MPG

• GMC Sierra

  2007 GMC Sierra 1500 SLT 6.0L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Dec 2017 • 107 Fuel-ups

  Property of Matthewcopas

• 13.3 Avg MPG

• Nightmare

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Oct 2017 • 15 Fuel-ups

  Property of stangconv21

• 11.8 Avg MPG

• Cheryl

  2007 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Apr 2018 • 36 Fuel-ups

  Property of Jshmoo11

• 16.5 Avg MPG

• GMC TRUCK

  2007 GMC Sierra 1500 SL 4.3L V6 GAS Automatic 4 Speed
  Added Oct 2015 • 17 Fuel-ups

  Property of Tully86

• 10.4 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added May 2018 • 6 Fuel-ups

  Property of swrddncr

• 20.2 Avg MPG

• 07 Gmc

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2019 • 53 Fuel-ups

  Property of bweidley

• 15.0 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Dec 2017 • 18 Fuel-ups

  Property of mrmcclenathan

• 15.4 Avg MPG

• Rambo

  2007 GMC Sierra 1500 SLE 4.8L GAS V8 Automatic 4 Extended Cab Pickup (4 Door)
  Added Dec 2014 • 78 Fuel-ups

  Property of Bonerman

• 12.8 Avg MPG

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