1987 GMC R3500 MPG

Based on data from 2 vehicles, 63 fuel-ups and 11,946 miles of driving, the 1987 GMC R3500 gets a combined Avg MPG of 13.69 with a 0.23 MPG margin of error.

Below you can see a distribution of the fuel-ups with 4 outliers (5.97%) removed.

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

• My R3500

  1987 GMC R3500 6.2L V8 DIESEL Automatic 3 Speed
  Added Apr 2022 • 72 Fuel-ups

  Property of dchase

• 14.2 Avg MPG

• 414

  1987 GMC R3500 GAS V8
  Added Nov 2013 • 4 Fuel-ups

  Property of Chief915

• 12.5 Avg MPG