1988 GMC K1500 MPG

Based on data from 6 vehicles, 57 fuel-ups and 14,964 miles of driving, the 1988 GMC K1500 gets a combined Avg MPG of 13.62 with a 0.28 MPG margin of error.

Below you can see a distribution of the fuel-ups with 6 outliers (9.52%) removed.

Following shows the average MPG of each of the 6 vehicles in the system.

• My K1500

  1988 GMC K1500 Sierra SLX 5.7L V8 GAS Manual 5 Speed
  Added Mar 2021 • 53 Fuel-ups

  Property of tmerz2016

• 13.4 Avg MPG

• My K1500

  1988 GMC K1500 Sierra SLX 5.7L V8 GAS Automatic 4 Speed
  Added Sep 2018 • 5 Fuel-ups

  Property of AceDegree76685

• 14.5 Avg MPG

• My K1500

  1988 GMC K1500 Sierra 5.7L V8 GAS Automatic 3 Speed
  Added Aug 2020 • 3 Fuel-ups

  Property of jakehold18

• 12.8 Avg MPG

• Red Truck

  1988 GMC K1500 Sierra SLE 5.0L V8 GAS
  Added May 2018 • 3 Fuel-ups

  Property of sgateman

• 14.0 Avg MPG

• Old Blue

  1988 GMC K1500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Oct 2017 • 13 Fuel-ups

  Property of Ottocycle

• 13.3 Avg MPG

• Work Horse

  1988 GMC K1500 Sierra SLX 5.7L GAS V8 Automatic 4 Standard Cab Pickup (2 Door)
  Added Nov 2014 • 9 Fuel-ups

  Property of Grimster67

• 14.4 Avg MPG