Based on data from 28 vehicles, 1,510 fuel-ups and 357,324 miles of driving, the 1997 GMC K1500 gets a combined Avg MPG of 12.91 with a 0.12 MPG margin of error.

Any Engine Type 4.3L V6 GAS (1) 5.7L V8 GAS (20) V8 GAS (7) Any Body Style Extended Cab Pickup (6) Any Submodel Sierra SLT (3) Sierra SL (5) Sierra SLE (13) Other (7)

Below you can see a distribution of the fuel-ups with 33 outliers (2.14%) removed.

Following shows the average MPG of each of the 28 vehicles in the system.

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• GMC

  1997 GMC K1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed
  Added Aug 2016 • 157 Fuel-ups

  Property of WDiehl86

• 13.7 Avg MPG

• My K1500

  1997 GMC K1500 Sierra SL 4.3L V6 GAS Manual 5 Speed
  Added Dec 2023 • 18 Fuel-ups

  Property of smokewrenchrepeat

• 16.6 Avg MPG

• GMC K1500

  1997 GMC K1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed
  Added May 2020 • 60 Fuel-ups

  Property of ftbconsulting

• 13.6 Avg MPG

• My K1500

  1997 GMC K1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed
  Added May 2017 • 289 Fuel-ups

  Property of benderboy92

• 12.5 Avg MPG

• 1997 GMC Sierra K1500

  1997 GMC K1500 Sierra SL 5.7L V8 GAS Automatic 4 Speed
  Added Jul 2022 • 12 Fuel-ups

  Property of astrutz

• 13.0 Avg MPG

• My K1500

  1997 GMC K1500 Sierra SLT 5.7L V8 GAS Automatic 4 Speed
  Added Mar 2020 • 28 Fuel-ups

  Property of Buildmorediesels

• 12.4 Avg MPG

• My K1500

  1997 GMC K1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed
  Added Mar 2018 • 207 Fuel-ups

  Property of MHB1962

• 13.4 Avg MPG

• My K1500

  1997 GMC K1500 Sierra SL 5.7L V8 GAS Automatic 4 Speed
  Added Sep 2020 • 25 Fuel-ups

  Property of Truckduude

• 14.5 Avg MPG

• Snowball

  1997 GMC K1500 Sierra SLT 5.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2017 • 162 Fuel-ups

  Property of Piotrowski

• 13.3 Avg MPG

• My K1500

  1997 GMC K1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed
  Added Jun 2019 • 4 Fuel-ups

  Property of kdwinterton

• 11.2 Avg MPG

• GMC PU

  1997 GMC K1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2017 • 130 Fuel-ups

  Property of CSFR8914

• 13.2 Avg MPG

• My K1500

  1997 GMC K1500 Sierra SLT 5.7L V8 GAS Automatic 4 Speed
  Added Feb 2017 • 48 Fuel-ups

  Property of 83GMC

• 15.4 Avg MPG

• My Truck

  1997 GMC K1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Aug 2009 • 197 Fuel-ups

  Property of HerbTarlek

• 15.4 Avg MPG

• TTM 1 "GAS PIG"

  1997 GMC K1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed
  Added Nov 2012 • 95 Fuel-ups

  Property of Chevylvr

• 13.6 Avg MPG

• Gramps

  1997 GMC K1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jan 2017 • 15 Fuel-ups

  Property of shaggun

• 12.6 Avg MPG

• Ron Burgundy

  1997 GMC K1500 Sierra SL 5.7L V8 GAS Standard 5 Speed Extended Cab Pickup
  Added Dec 2017 • 3 Fuel-ups

  Property of RangerDanger47

• 14.7 Avg MPG

• Big Red

  1997 GMC K1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jan 2017 • 25 Fuel-ups

  Property of Jondaytona

• 14.0 Avg MPG

• GMC 1500

  1997 GMC K1500 Sierra SL 5.7L V8 GAS Automatic 4 Speed
  Added Mar 2018 • 23 Fuel-ups

  Property of davidbriggs2

• 11.1 Avg MPG

• GMC K1500

  1997 GMC K1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 5 Fuel-ups

  Property of dwhelan84

• 11.6 Avg MPG

• My K1500

  1997 GMC K1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed
  Added Oct 2015 • 5 Fuel-ups

  Property of swalt

• 13.7 Avg MPG

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