Based on data from 243 vehicles, 12,723 fuel-ups and 3,919,242 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 431 outliers (3.28%) removed.

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

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• Goldilocks

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Dec 2020 • 14 Fuel-ups

  Property of chucktanaka

• 15.1 Avg MPG

• Big Red

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added Jul 2020 • 20 Fuel-ups

  Property of gfunk9983

• 14.2 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty XL 7.3L V8 DIESEL Manual 6 Speed
  Added Jul 2018 • 16 Fuel-ups

  Property of smleno1mkIII

• 17.2 Avg MPG

• F250

  1999 Ford F-250 Super Duty XL 7.3L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added Mar 2020 • 22 Fuel-ups

  Property of seabasshwd

• 13.2 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty Lariat 6.8L V10 GAS Manual 5 Speed
  Added Jul 2020 • 25 Fuel-ups

  Property of Cojamo83

• 10.4 Avg MPG

• F-250

  1999 Ford F-250 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added Jul 2017 • 35 Fuel-ups

  Property of cantdrive55

• 13.2 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty XL 7.3L V8 DIESEL Automatic 4 Speed
  Added Mar 2018 • 56 Fuel-ups

  Property of vsvaldez

• 13.1 Avg MPG

• Jeron's F-250

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 5 Speed Extended Cab Pickup
  Added Sep 2018 • 86 Fuel-ups

  Property of Jeron

• 12.7 Avg MPG

• Biggie

  1999 Ford F-250 Super Duty XLT 6.8L V10 GAS Automatic 4 Speed Crew Cab Pickup
  Added May 2020 • 16 Fuel-ups

  Property of kjjohnson447

• 10.1 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty Lariat 6.8L V10 GAS Automatic 4 Speed
  Added Apr 2020 • 33 Fuel-ups

  Property of Kidspot

• 10.2 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty XLT 6.8L V10 GAS Manual 5 Speed
  Added Aug 2020 • 3 Fuel-ups

  Property of roadwarriorhf

• 12.8 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty Lariat 5.4L V8 GAS Automatic 4 Speed
  Added Jul 2018 • 3 Fuel-ups

  Property of OilSlave

• 14.2 Avg MPG

• ford

  1999 Ford F-250 Super Duty Lariat 5.4L V8 GAS Standard 5 Speed Crew Cab Pickup
  Added Nov 2014 • 13 Fuel-ups

  Property of rswails

• 14.2 Avg MPG

• zF-250

  1999 Ford F-250 Super Duty XL 7.3L V8 DIESEL Automatic 4 Speed
  Added Sep 2018 • 15 Fuel-ups

  Property of jessejaymes

• 15.0 Avg MPG

• Powerchoke

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Aug 2018 • 151 Fuel-ups

  Property of Sasquatch6ft9

• 15.4 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Jun 2019 • 28 Fuel-ups

  Property of FishTheFireman

• 10.8 Avg MPG

• Myymule

  1999 Ford F-250 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added Sep 2014 • 31 Fuel-ups

  Property of JosefH

• 14.9 Avg MPG

• F-250

  1999 Ford F-250 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added May 2019 • 9 Fuel-ups

  Property of alasick

• 13.8 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Apr 2017 • 65 Fuel-ups

  Property of retaliashun

• 14.2 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty XLT 5.4L V8 GAS Automatic 4 Speed
  Added Oct 2018 • 20 Fuel-ups

  Property of michael2660

• 13.1 Avg MPG

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