1989 GMC C2500 MPG

Based on data from 2 vehicles, 40 fuel-ups and 8,917 miles of driving, the 1989 GMC C2500 gets a combined Avg MPG of 11.63 with a 0.99 MPG margin of error.

Below you can see a distribution of the fuel-ups with 1 outliers (2.44%) removed.

• My C2500

  1989 GMC C2500 Sierra SLE 5.7L V8 GAS Automatic 3 Speed
  Added Oct 2020 • 30 Fuel-ups

  Property of ken9582

• 13.9 Avg MPG

• GMC

  1989 GMC C2500 Sierra 5.7L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 20 Fuel-ups

  Property of Kelloggkid

• 13.6 Avg MPG