1999 GMC K2500 MPG

Based on data from 5 vehicles, 339 fuel-ups and 56,886 miles of driving, the 1999 GMC K2500 gets a combined Avg MPG of 9.35 with a 0.29 MPG margin of error.

Below you can see a distribution of the fuel-ups with 16 outliers (4.51%) removed.

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

• GMC

  1999 GMC K2500 Sierra SL 5.7L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 138 Fuel-ups

  Property of mreinzinger

• 11.5 Avg MPG

• Truck

  1999 GMC K2500 Sierra SLE 7.4L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Nov 2017 • 284 Fuel-ups

  Property of mmjjamr3

• 8.8 Avg MPG

• My Sierra 2500

  1999 GMC K2500 Sierra SLE 7.4L V8 GAS Automatic Crew Cab Pickup
  Added Jul 2021 • 3 Fuel-ups

  Property of bwilks4mt

• 9.5 Avg MPG

• My K2500

  1999 GMC K2500 Sierra SLE 5.7L V8 GAS Automatic 4 Speed
  Added May 2019 • 7 Fuel-ups

  Property of Hagenpe

• 12.4 Avg MPG

• GMC Sierra 2500

  1999 GMC K2500 Sierra SL 5.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jun 2016 • 14 Fuel-ups

  Property of ruudnicki

• 23.4 Avg MPG