Based on data from 92 vehicles, 5,852 fuel-ups and 1,573,036 miles of driving, the 2007 GMC Sierra 1500 gets a combined Avg MPG of 14.20 with a 0.07 MPG margin of error.

Any Engine Type 4.3L V6 GAS (4) 4.8L V8 GAS (6) 5.3L V8 FLEX (11) 5.3L V8 GAS (39) 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 (4) SL (8) SLT (27) SLE (34) Other (17)

Below you can see a distribution of the fuel-ups with 280 outliers (4.57%) removed.

Following shows the average MPG of each of the 92 vehicles in the system.

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• My Sierra 1500

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Jul 2023 • 67 Fuel-ups

  Property of racerx146

• 14.0 Avg MPG

• 2007 Sierra

  2007 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Aug 2016 • 622 Fuel-ups

  Property of Muldo

• 15.2 Avg MPG

• Sierra 1500

  2007 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2017 • 410 Fuel-ups

  Property of tinomolloy

• 14.6 Avg MPG

• Sierra

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2023 • 23 Fuel-ups

  Property of FordHater

• 15.1 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2023 • 47 Fuel-ups

  Property of adamgeer911

• 13.9 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2021 • 149 Fuel-ups

  Property of Shanna49

• 14.4 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Dec 2023 • 12 Fuel-ups

  Property of williehumphrey04

• 12.2 Avg MPG

• 2007 Sierra Classic

  2007 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed Crew Cab Pickup
  Added Sep 2023 • 39 Fuel-ups

  Property of HawkZ28

• 14.1 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2020 • 286 Fuel-ups

  Property of roman1213

• 14.2 Avg MPG

• Sierra 1500

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Oct 2018 • 239 Fuel-ups

  Property of mikey178

• 15.7 Avg MPG

• Truck-Sierra

  2007 GMC Sierra 1500 Custom Submodel Automatic 4 Speed
  Added Jun 2021 • 42 Fuel-ups

  Property of hotrod1120

• 15.1 Avg MPG

• GMC

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Nov 2019 • 170 Fuel-ups

  Property of jChappie

• 11.7 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2022 • 35 Fuel-ups

  Property of Tater1086

• 13.5 Avg MPG

• The Broker

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Oct 2015 • 371 Fuel-ups

  Property of LyleWorth

• 16.0 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Mar 2018 • 244 Fuel-ups

  Property of kshafer11

• 15.6 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Apr 2018 • 46 Fuel-ups

  Property of brandon_j_smith

• 15.4 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Mar 2022 • 5 Fuel-ups

  Property of phatblat

• 19.3 Avg MPG

• 2007 GMC Sierra 1500

  2007 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2020 • 228 Fuel-ups

  Property of brendan127

• 15.1 Avg MPG

• GMC Sierra 1500

  2007 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Aug 2022 • 17 Fuel-ups

  Property of brentyost

• 12.4 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Feb 2019 • 64 Fuel-ups

  Property of prolljr

• 15.1 Avg MPG

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