Based on data from 243 vehicles, 12,726 fuel-ups and 3,921,218 miles of driving, the 1999 Ford F-250 Super Duty gets a combined Avg MPG of 13.77 with a 0.07 MPG margin of error.

Any Engine Type 5.4L V8 GAS (19) 6.8L V10 GAS (35) 7.3L V8 DIESEL (145) GAS (1) V10 GAS (4) V8 DIESEL (27) V8 GAS (3) Any Body Style Standard Cab Pickup (4) Extended Cab Pickup (46) Crew Cab Pickup (22) Extended Crew Cab Pickup (1) Cab & Chassis - Extended Cab (1) Any Submodel XL (43) Lariat (45) XLT (115) Other (40)

Below you can see a distribution of the fuel-ups with 432 outliers (3.28%) removed.

Following shows the average MPG of each of the 243 vehicles in the system.

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• F250

  1999 Ford F-250 Super Duty XLT 5.4L V8 GAS Standard 5 Speed Extended Cab Pickup
  Added Mar 2018 • 91 Fuel-ups

  Property of Dralln

• 20.5 Avg MPG

• Betty White

  1999 Ford F-250 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed
  Added Sep 2021 • 56 Fuel-ups

  Property of twistedfisher

• 11.6 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Mar 2022 • 7 Fuel-ups

  Property of clayjessup1

• 15.1 Avg MPG

• Lift & 35’s Kill Me!

  1999 Ford F-250 Super Duty XLT 5.4L V8 GAS Manual 5 Speed Extended Cab Pickup
  Added Dec 2018 • 25 Fuel-ups

  Property of Tornadom

• 12.8 Avg MPG

• F-250

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added Apr 2020 • 100 Fuel-ups

  Property of nstewa4

• 18.8 Avg MPG

• F250

  1999 Ford F-250 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added Nov 2018 • 35 Fuel-ups

  Property of gchapell

• 19.2 Avg MPG

• 99 Diesel

  1999 Ford F-250 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added Dec 2015 • 78 Fuel-ups

  Property of nyteshades

• 14.9 Avg MPG

• The PowerStroke

  1999 Ford F-250 Super Duty XL 7.3L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added Jan 2019 • 143 Fuel-ups

  Property of Nick94657

• 17.3 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added Jun 2017 • 84 Fuel-ups

  Property of jweise

• 17.1 Avg MPG

• Silver Truck

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Standard 6 Speed
  Added Mar 2017 • 34 Fuel-ups

  Property of steelg8r

• 17.0 Avg MPG

• The Green Machine

  1999 Ford F-250 Super Duty Lariat 7.3L V8 DIESEL Automatic Standard Cab Pickup
  Added May 2019 • 85 Fuel-ups

  Property of SpeedinRedneck

• 13.3 Avg MPG

• Rob Truck

  1999 Ford F-250 Super Duty XL 7.3L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added Nov 2017 • 45 Fuel-ups

  Property of staverjjr

• 14.8 Avg MPG

• Truck

  1999 Ford F-250 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed Extended Crew Cab Pickup
  Added Jun 2015 • 232 Fuel-ups

  Property of ese12105

• 15.7 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed
  Added Apr 2021 • 8 Fuel-ups

  Property of dogpoopysmiley

• 18.4 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty Lariat 6.8L V10 GAS Automatic 4 Speed
  Added May 2020 • 126 Fuel-ups

  Property of OzarkOne

• 10.1 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty XL 7.3L V8 DIESEL Standard 5 Speed
  Added Apr 2018 • 8 Fuel-ups

  Property of ShaunMcLovin

• 12.1 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty Lariat 6.8L V10 GAS Automatic 4 Speed
  Added Oct 2019 • 13 Fuel-ups

  Property of traolson

• 9.3 Avg MPG

• Jolly Green Giant

  1999 Ford F-250 Super Duty XLT 6.8L V10 GAS Manual 5 Speed
  Added Feb 2021 • 6 Fuel-ups

  Property of ChainheartMachine

• 11.6 Avg MPG

• big black

  1999 Ford F-250 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed
  Added May 2015 • 110 Fuel-ups

  Property of rtmerck

• 12.7 Avg MPG

• 1999 Ford F250

  1999 Ford F-250 Super Duty XL 7,3L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added Sep 2020 • 4 Fuel-ups

  Property of oryades

• 15.9 Avg MPG

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