Based on data from 87 vehicles, 5,397 fuel-ups and 1,465,990 miles of driving, the 2007 GMC Sierra 1500 gets a combined Avg MPG of 14.23 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 (10) 5.3L V8 GAS (35) 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 (11) Any Submodel Denali (2) WT (4) SL (8) SLT (24) SLE (32) Other (17)

Below you can see a distribution of the fuel-ups with 273 outliers (4.81%) removed.

Following shows the average MPG of each of the 87 vehicles in the system.

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• Truck-Sierra

  2007 GMC Sierra 1500 Custom Submodel Automatic 4 Speed
  Added Jun 2021 • 29 Fuel-ups

  Property of hotrod1120

• 14.7 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2021 • 124 Fuel-ups

  Property of Shanna49

• 14.6 Avg MPG

• 2007 GMC Sierra 1500

  2007 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2020 • 227 Fuel-ups

  Property of brendan127

• 15.0 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2020 • 210 Fuel-ups

  Property of roman1213

• 13.9 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2022 • 24 Fuel-ups

  Property of Tater1086

• 13.0 Avg MPG

• Sierra 1500

  2007 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2017 • 361 Fuel-ups

  Property of tinomolloy

• 14.6 Avg MPG

• The Broker

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Oct 2015 • 357 Fuel-ups

  Property of LyleWorth

• 16.0 Avg MPG

• GMC

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Nov 2019 • 119 Fuel-ups

  Property of jChappie

• 10.9 Avg MPG

• Sierra 1500

  2007 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Oct 2018 • 192 Fuel-ups

  Property of mikey178

• 15.8 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Mar 2018 • 234 Fuel-ups

  Property of kshafer11

• 15.6 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 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Apr 2018 • 45 Fuel-ups

  Property of brandon_j_smith

• 15.4 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

• GMC

  2007 GMC Sierra 1500 SL 5.3L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Jan 2018 • 435 Fuel-ups

  Property of Jode

• 13.6 Avg MPG

• My Sierra 1500

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

  Property of phatblat

• 21.3 Avg MPG

• Sierra 1500

  2007 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Dec 2021 • 108 Fuel-ups

  Property of mrfaddy

• 15.8 Avg MPG

• Gmc truck

  2007 GMC Sierra 1500 SLE 5.3L V8 FLEX
  Added Jun 2022 • 7 Fuel-ups

  Property of taps442

• 16.6 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2021 • 18 Fuel-ups

  Property of 93fordf150

• 14.9 Avg MPG

• 2007 Sierra

  2007 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Aug 2016 • 599 Fuel-ups

  Property of Muldo

• 15.3 Avg MPG

• My Sierra 1500

  2007 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Mar 2019 • 35 Fuel-ups

  Property of Rusty67

• 12.9 Avg MPG

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