Based on data from 21 vehicles, 511 fuel-ups and 128,188 miles of driving, the 1997 GMC C1500 gets a combined Avg MPG of 13.96 with a 0.37 MPG margin of error.

Any Engine Type 4.3L V6 GAS (5) 5.0L V8 GAS (1) 5.7L V8 GAS (10) V6 GAS (1) V8 GAS (2) Any Body Style Standard Cab Pickup (2) Extended Cab Pickup (3) Any Submodel Sierra SLT (2) Sierra SL (5) Sierra SLE (9) Other (5)

Below you can see a distribution of the fuel-ups with 19 outliers (3.58%) removed.

Following shows the average MPG of each of the 21 vehicles in the system.

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• My C1500

  1997 GMC C1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed
  Added Jun 2018 • 138 Fuel-ups

  Property of DScat

• 13.1 Avg MPG

• 1997 GMC Sierra 1500

  1997 GMC C1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 78 Fuel-ups

  Property of shermstick

• 16.3 Avg MPG

• 1997 GMC C1500 Sierra

  1997 GMC C1500 Sierra SLT 5.7L V8 GAS Automatic 4 Speed
  Added Nov 2022 • 15 Fuel-ups

  Property of HunterAllen95

• 14.5 Avg MPG

• My C1500

  1997 GMC C1500 Sierra SLE 4.3L V6 GAS Automatic 4 Speed
  Added Aug 2019 • 19 Fuel-ups

  Property of agramir16

• 12.3 Avg MPG

• My C1500

  1997 GMC C1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed
  Added Mar 2019 • 67 Fuel-ups

  Property of Denniswferrell

• 10.9 Avg MPG

• GMC 1997

  1997 GMC C1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed
  Added Feb 2018 • 50 Fuel-ups

  Property of XLR8260

• 14.8 Avg MPG

• CRUSTY

  1997 GMC C1500 Sierra SL 4.3L V6 GAS Automatic 4 Speed Standard Cab Pickup
  Added Apr 2020 • 4 Fuel-ups

  Property of wheelieman87

• 16.1 Avg MPG

• My C1500

  1997 GMC C1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Sep 2018 • 20 Fuel-ups

  Property of alexxr400r

• 13.7 Avg MPG

• GMC Sierra

  1997 GMC C1500 Sierra SL 4.3L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 3 Fuel-ups

  Property of coachcannon

• 11.4 Avg MPG

• Bill's Truck

  1997 GMC C1500 Sierra SLT 4.3L V6 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2017 • 30 Fuel-ups

  Property of arcuss88

• 12.7 Avg MPG

• My C1500

  1997 GMC C1500 Sierra SL 5.7L V8 GAS Standard 5 Speed
  Added Jul 2017 • 14 Fuel-ups

  Property of karenlamb

• 17.6 Avg MPG

• Big Red

  1997 GMC C1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Sep 2015 • 3 Fuel-ups

  Property of TecHusky

• 14.7 Avg MPG

• Big Red Truck

  1997 GMC C1500 Sierra SLE 5.7L V8 GAS Automatic 4 Extended Cab Pickup (3 Door)
  Added Dec 2014 • 44 Fuel-ups

  Property of Craneguru

• 15.8 Avg MPG

• brutus II

  1997 GMC C1500 Sierra SL 4.3L V6 GAS Automatic 4 Standard Cab Pickup (2 Door)
  Added Sep 2011 • 85 Fuel-ups

  Property of Nika

• 18.4 Avg MPG

• GMC Sierra

  1997 GMC C1500 Sierra SL 5.0L V8 GAS Automatic Extended Cab Pickup
  Added Sep 2016 • 48 Fuel-ups

  Property of goEV

• 12.5 Avg MPG

• GMC Sierra

  1997 GMC C1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 28 Fuel-ups

  Property of LordCosmo

• 17.2 Avg MPG

• My Truck

  1997 GMC C1500
  Added Apr 2013 • 3 Fuel-ups

  Property of gmcDave

• 14.5 Avg MPG

• ole' red

  1997 GMC C1500 GAS V6
  Added Jan 2012 • 31 Fuel-ups

  Property of olred

• 13.0 Avg MPG

• Truck

  1997 GMC C1500 GAS V8
  Added Feb 2012 • 3 Fuel-ups

  Property of chucklesk

• 11.8 Avg MPG

• GMC

  1997 GMC C1500 GAS V8
  Added Mar 2011 • 16 Fuel-ups

  Property of Buzzcut

• 12.7 Avg MPG

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