Based on data from 97 vehicles, 6,361 fuel-ups and 1,692,412 miles of driving, the 2007 GMC Sierra 1500 gets a combined Avg MPG of 14.15 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 (11) 6.2L V8 GAS (2) V8 FLEX (3) V8 GAS (11) Any Body Style Extended Cab Pickup (2) Crew Cab Pickup (13) Any Submodel Denali (2) WT (6) SL (9) SLT (29) SLE (34) Other (17)

Below you can see a distribution of the fuel-ups with 289 outliers (4.35%) removed.

Following shows the average MPG of each of the 97 vehicles in the system.

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• Sierra 1500

  2007 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2017 • 460 Fuel-ups

  Property of tinomolloy

• 14.5 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLT 6.0L V8 GAS Automatic 4 Speed
  Added Jan 2025 • 9 Fuel-ups

  Property of landon3943

• 10.3 Avg MPG

• The Broker

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Oct 2015 • 382 Fuel-ups

  Property of LyleWorth

• 15.9 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2020 • 366 Fuel-ups

  Property of roman1213

• 14.5 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Dec 2023 • 34 Fuel-ups

  Property of williehumphrey04

• 12.9 Avg MPG

• GMC Serria

  2007 GMC Sierra 1500 SL 4.3L V6 GAS Automatic 4 Speed
  Added Aug 2024 • 13 Fuel-ups

  Property of mjc52

• 15.1 Avg MPG

• 2007 Sierra

  2007 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Aug 2016 • 689 Fuel-ups

  Property of Muldo

• 15.1 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2023 • 99 Fuel-ups

  Property of adamgeer911

• 13.7 Avg MPG

• Sierra 1500 WT

  2007 GMC Sierra 1500 WT 5.3L V8 GAS Automatic 4 Speed
  Added May 2024 • 18 Fuel-ups

  Property of NCGreyFZ6

• 13.9 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Jul 2023 • 121 Fuel-ups

  Property of racerx146

• 14.3 Avg MPG

• Sierra 1500

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Oct 2018 • 274 Fuel-ups

  Property of mikey178

• 15.7 Avg MPG

• 2007 Sierra Classic

  2007 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed Crew Cab Pickup
  Added Sep 2023 • 78 Fuel-ups

  Property of HawkZ28

• 12.8 Avg MPG

• 2007 GMC Sierra 1500

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2021 • 179 Fuel-ups

  Property of Shanna49

• 14.5 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 WT 4.8L V8 GAS Automatic 4 Speed
  Added Aug 2024 • 34 Fuel-ups

  Property of spdayton

• 15.3 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Mar 2018 • 249 Fuel-ups

  Property of kshafer11

• 15.6 Avg MPG

• Sierra

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2023 • 38 Fuel-ups

  Property of FordHater

• 15.2 Avg MPG

• GMC

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Nov 2019 • 200 Fuel-ups

  Property of jChappie

• 11.8 Avg MPG

• Truck-Sierra

  2007 GMC Sierra 1500 Custom Submodel Automatic 4 Speed
  Added Jun 2021 • 49 Fuel-ups

  Property of hotrod1120

• 15.4 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2022 • 38 Fuel-ups

  Property of Tater1086

• 13.3 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

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