Based on data from 246 vehicles, 13,261 fuel-ups and 4,064,147 miles of driving, the 1999 Ford F-250 Super Duty gets a combined Avg MPG of 13.72 with a 0.06 MPG margin of error.

Any Engine Type 5.4L V8 GAS (18) 6.8L V10 GAS (36) 7.3L V8 DIESEL (148) 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 (44) Lariat (47) XLT (115) Other (40)

Below you can see a distribution of the fuel-ups with 464 outliers (3.38%) removed.

Following shows the average MPG of each of the 246 vehicles in the system.

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• Powerchoke Old 2

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Aug 2018 • 138 Fuel-ups

  Property of Sasquatch6ft9

• 16.6 Avg MPG

• Powerchoke Old 3

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Aug 2018 • 138 Fuel-ups

  Property of Sasquatch6ft9

• 16.6 Avg MPG

• Clifford

  1999 Ford F-250 Super Duty XLT 7.3L DIESEL V8 Automatic 4
  Added Apr 2010 • 78 Fuel-ups

  Property of TravisE

• 14.1 Avg MPG

• Freedom II

  1999 Ford F-250 Super Duty DIESEL V8
  Added Mar 2013 • 40 Fuel-ups

  Property of jshurley04

• 15.1 Avg MPG

• F250SD

  1999 Ford F-250 Super Duty DIESEL V8
  Added May 2013 • 23 Fuel-ups

  Property of rogerd49

• 20.2 Avg MPG

• The Beast

  1999 Ford F-250 Super Duty DIESEL V8
  Added Jan 2013 • 56 Fuel-ups

  Property of ryanstifter

• 14.3 Avg MPG

• truck

  1999 Ford F-250 Super Duty GAS V8
  Added Sep 2013 • 14 Fuel-ups

  Property of devo027

• 12.7 Avg MPG

• F-250

  1999 Ford F-250 Super Duty XLT
  Added Jun 2018 • 103 Fuel-ups

  Property of mmpg33

• 13.6 Avg MPG

• Green Truck

  1999 Ford F-250 Super Duty XL 7.3L DIESEL V8 Automatic 4 Extended Cab Pickup (4 Door)
  Added Aug 2014 • 8 Fuel-ups

  Property of zzp100

• 17.2 Avg MPG

• Ford truck

  1999 Ford F-250 Super Duty XL 6.8L V10 GAS Automatic 4 Speed
  Added Sep 2016 • 32 Fuel-ups

  Property of ryann1976

• 10.4 Avg MPG

• f250

  1999 Ford F-250 Super Duty
  Added Sep 2013 • 3 Fuel-ups

  Property of jdosset3

• 16.4 Avg MPG

• black betty

  1999 Ford F-250 Super Duty Lariat 7.3L DIESEL V8 Automatic 4
  Added Jun 2014 • 3 Fuel-ups

  Property of tonycarnal

• 18.0 Avg MPG

• Superduty

  1999 Ford F-250 Super Duty Lariat 5.4L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 29 Fuel-ups

  Property of jdesesa

• 13.2 Avg MPG

• black

  1999 Ford F-250 Super Duty
  Added Sep 2013 • 35 Fuel-ups

  Property of Jdossett3

• 15.7 Avg MPG

• Super Duty

  1999 Ford F-250 Super Duty
  Added Feb 2014 • 7 Fuel-ups

  Property of dsnewcombe

• 12.7 Avg MPG

• Bessie

  1999 Ford F-250 Super Duty GAS V10
  Added Aug 2013 • 9 Fuel-ups

  Property of Chunky

• 9.6 Avg MPG

• super duty

  1999 Ford F-250 Super Duty GAS V10
  Added May 2011 • 6 Fuel-ups

  Property of pcairns

• 9.6 Avg MPG

• Truck

  1999 Ford F-250 Super Duty DIESEL V8
  Added Jan 2014 • 7 Fuel-ups

  Property of Kf4zht

• 17.9 Avg MPG

• Ford F-250 SD - 7.3L Diesel

  1999 Ford F-250 Super Duty
  Added Jan 2010 • 20 Fuel-ups

  Property of Car901

• 25.6 Avg MPG

• 99 Super Duty

  1999 Ford F-250 Super Duty DIESEL V8
  Added Jun 2013 • 22 Fuel-ups

  Property of hauckl

• 12.9 Avg MPG

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