Based on data from 246 vehicles, 13,241 fuel-ups and 4,059,201 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 (3.39%) removed.

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

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• My F-250 Super Duty

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Feb 2016 • 130 Fuel-ups

  Property of nbskfs

• 15.3 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Jun 2016 • 7 Fuel-ups

  Property of jgnehm

• 14.1 Avg MPG

• Black beauty

  1999 Ford F-250 Super Duty Lariat 6.8L V10 GAS Automatic 3 Speed Crew Cab Pickup
  Added Jul 2016 • 13 Fuel-ups

  Property of Nettes09

• 11.5 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed
  Added Dec 2015 • 28 Fuel-ups

  Property of davidbenedict2012

• 15.9 Avg MPG

• Ford F-250 Super Duty

  1999 Ford F-250 Super Duty XLT 6.8L V10 GAS Automatic 4 Speed
  Added Sep 2016 • 164 Fuel-ups

  Property of furwatup

• 12.1 Avg MPG

• Justin's Ford

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added Jul 2013 • 118 Fuel-ups

  Property of jkuntz05

• 14.8 Avg MPG

• Great White Shark

  1999 Ford F-250 Super Duty XLT
  Added Jul 2013 • 60 Fuel-ups

  Property of tobaccocay

• 15.3 Avg MPG

• Ford F-250

  1999 Ford F-250 Super Duty XLT 6.8L V10 GAS Automatic 4 Speed Crew Cab Pickup
  Added Aug 2019 • 41 Fuel-ups

  Property of mrodde

• 8.9 Avg MPG

• Gerald Ford

  1999 Ford F-250 Super Duty Lariat 6.8L V10 GAS Standard 5 Speed Extended Cab Pickup
  Added Jan 2016 • 34 Fuel-ups

  Property of travisr

• 10.3 Avg MPG

• F250

  1999 Ford F-250 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added Jan 2011 • 109 Fuel-ups

  Property of MkLV

• 15.2 Avg MPG

• Sherman

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added Apr 2015 • 23 Fuel-ups

  Property of biomarine2000

• 15.3 Avg MPG

• Mad Max

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added Mar 2014 • 67 Fuel-ups

  Property of twinjracing

• 12.8 Avg MPG

• Whitey Ford

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Nov 2015 • 4 Fuel-ups

  Property of uilluchan

• 9.5 Avg MPG

• The Red Mule

  1999 Ford F-250 Super Duty XLT 7.3L DIESEL V8 Standard 6 Extended Cab Pickup (4 Door)
  Added Jul 2012 • 185 Fuel-ups

  Property of MountainWays

• 14.0 Avg MPG

• f250

  1999 Ford F-250 Super Duty XL 7.3L DIESEL V8 Automatic 4 Crew Cab Pickup (4 Door)
  Added Apr 2015 • 10 Fuel-ups

  Property of bfraizer

• 15.1 Avg MPG

• Early 99 7.3

  1999 Ford F-250 Super Duty XLT Automatic 4 Extended Cab Pickup (4 Door)
  Added Jan 2015 • 15 Fuel-ups

  Property of v3pk7k

• 18.1 Avg MPG

• Dusty

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Extended Cab Pickup (4 Door)
  Added Jul 2013 • 41 Fuel-ups

  Property of 1radfamily

• 13.8 Avg MPG

• Green Truck

  1999 Ford F-250 Super Duty DIESEL V8
  Added Mar 2014 • 242 Fuel-ups

  Property of mempho

• 18.0 Avg MPG

• xLil Foot

  1999 Ford F-250 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added Oct 2017 • 145 Fuel-ups

  Property of ZooDad

• 14.5 Avg MPG

• white super duty

  1999 Ford F-250 Super Duty XL 6.8L GAS V10 Automatic 4 Extended Cab Pickup (4 Door)
  Added Nov 2014 • 3 Fuel-ups

  Property of dstrawn

• 13.6 Avg MPG

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