1998 GMC C1500 MPG

Based on data from 26 vehicles, 1,679 fuel-ups and 385,372 miles of driving, the 1998 GMC C1500 gets a combined Avg MPG of 13.37 with a 0.14 MPG margin of error.

Below you can see a distribution of the fuel-ups with 72 outliers (4.11%) removed.

Following shows the average MPG of each of the 26 vehicles in the system.

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• Gimmick

  1998 GMC C1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Dec 2013 • 54 Fuel-ups

  Property of IndyFetch

• 18.4 Avg MPG

• Sierra

  1998 GMC C1500 Sierra SLE
  Added Jan 2025 • 74 Fuel-ups

  Property of heffh3ff

• 20.2 Avg MPG

• GMC Z-71

  1998 GMC C1500 GAS V8
  Added Jul 2013 • 10 Fuel-ups

  Property of uabecker

• 13.0 Avg MPG

• Denver

  1998 GMC C1500 GAS V8
  Added Mar 2011 • 57 Fuel-ups

  Property of NMBeretta

• 16.9 Avg MPG

• Truck

  1998 GMC C1500 GAS
  Added Jul 2011 • 3 Fuel-ups

  Property of sstand

• 14.6 Avg MPG

• Blue GMC

  1998 GMC C1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed
  Added Aug 2016 • 5 Fuel-ups

  Property of courtrix

• 14.4 Avg MPG

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