1999 GMC K3500 MPG

Based on data from 4 vehicles, 89 fuel-ups and 20,599 miles of driving, the 1999 GMC K3500 gets a combined Avg MPG of 11.04 with a 0.64 MPG margin of error.

Below you can see a distribution of the fuel-ups with 1 outliers (1.11%) removed.

Following shows the average MPG of each of the 4 vehicles in the system.

• Bertha

  1999 GMC K3500 Sierra SLT 6.5L V8 DIESEL Manual 5 Speed
  Added Oct 2021 • 15 Fuel-ups

  Property of rac472

• 13.4 Avg MPG

• Dually(21)

  1999 GMC K3500 Sierra SLE 6.5L V8 DIESEL Automatic 4 Speed
  Added Jan 2021 • 9 Fuel-ups

  Property of kingtek

• 9.9 Avg MPG

• Dually Pickup

  1999 GMC K3500 Sierra SLE 6.5L V8 DIESEL Automatic 4 Speed
  Added May 2017 • 79 Fuel-ups

  Property of d4transport

• 12.0 Avg MPG

• 1999 GMC K3500

  1999 GMC K3500 GAS V8
  Added Sep 2012 • 11 Fuel-ups

  Property of jbaumert

• 9.5 Avg MPG