1990 GMC K1500 MPG

Based on data from 5 vehicles, 175 fuel-ups and 52,918 miles of driving, the 1990 GMC K1500 gets a combined Avg MPG of 13.84 with a 0.45 MPG margin of error.

Below you can see a distribution of the fuel-ups with 4 outliers (2.23%) removed.

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

• The Black Truck

  1990 GMC K1500 Sierra SLX 5.7L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Mar 2022 • 19 Fuel-ups

  Property of ModernCarsSuck

• 10.3 Avg MPG

• Suburban

  1990 GMC K1500 Sierra SLE 5.7L V8 GAS Sport Utility
  Added Feb 2020 • 7 Fuel-ups

  Property of chuck6267

• 8.7 Avg MPG

• Ron

  1990 GMC K1500 Sierra 4.3L V6 GAS Standard 5 Speed Standard Cab Pickup
  Added Apr 2016 • 46 Fuel-ups

  Property of wilsonjacob8

• 14.4 Avg MPG

• Big Brown

  1990 GMC K1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Jan 2013 • 114 Fuel-ups

  Property of drewbond

• 15.6 Avg MPG

• Harold

  1990 GMC K1500 GAS V8
  Added Nov 2013 • 24 Fuel-ups

  Property of TanookiTyler

• 14.7 Avg MPG