1986 GMC S15 MPG

Based on data from 2 vehicles, 112 fuel-ups and 20,531 miles of driving, the 1986 GMC S15 gets a combined Avg MPG of 12.50 with a 0.55 MPG margin of error.

Below you can see a distribution of the fuel-ups with 1 outliers (0.88%) removed.

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

• S15

  1986 GMC S15 Sierra Classic 2.8L V6 GAS Manual 4 Speed
  Added Dec 2020 • 10 Fuel-ups

  Property of tool7956

• 15.4 Avg MPG

• Little V8

  1986 GMC S15 GAS V8
  Added Mar 2009 • 115 Fuel-ups

  Property of scrum

• 12.3 Avg MPG