1989 GMC R1500 Suburban MPG

Based on data from 2 vehicles, 16 fuel-ups and 4,946 miles of driving, the 1989 GMC R1500 Suburban gets a combined Avg MPG of 10.74 with a 0.58 MPG margin of error.

Below you can see a distribution of the fuel-ups with 1 outliers (5.88%) removed.

Following shows the average MPG of each of the 2 vehicles in the system.

• The Burb

  1989 GMC R1500 Suburban 5.7L V8 GAS Automatic 3 Speed Sport Utility
  Added Feb 2017 • 7 Fuel-ups

  Property of ILikeBigTrucks

• 10.0 Avg MPG

• My R1500 Suburban

  1989 GMC R1500 Suburban 5.7L V8 GAS Automatic 4 Speed
  Added Aug 2018 • 19 Fuel-ups

  Property of shunt468

• 11.3 Avg MPG