1989 GMC C1500 MPG

Based on data from 5 vehicles, 47 fuel-ups and 9,926 miles of driving, the 1989 GMC C1500 gets a combined Avg MPG of 11.70 with a 1.18 MPG margin of error.

Below you can see a distribution of the fuel-ups with 0 outliers (0.00%) removed.

Following shows the average MPG of each of the 5 vehicles in the system.

• My C1500

  1989 GMC C1500 Sierra SLX 5.0L V8 GAS Automatic 4 Speed
  Added Jun 2021 • 15 Fuel-ups

  Property of davidwence

• 12.4 Avg MPG

• My C1500

  1989 GMC C1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed
  Added Jul 2020 • 21 Fuel-ups

  Property of somvfd1483

• 9.4 Avg MPG

• Skip

  1989 GMC C1500 Sierra 6.2L V8 DIESEL Automatic 4 Speed
  Added Mar 2019 • 13 Fuel-ups

  Property of PatGriffin

• 15.6 Avg MPG

• 89 GMC

  1989 GMC C1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Apr 2018 • 17 Fuel-ups

  Property of Condon

• 11.8 Avg MPG

• My C1500

  1989 GMC C1500 Sierra 5.7L V8 GAS Automatic 4 Speed
  Added Jul 2017 • 6 Fuel-ups

  Property of zielinskiwerdna

• 12.8 Avg MPG