Based on data from 247 vehicles, 13,683 fuel-ups and 4,176,013 miles of driving, the 1999 Ford F-250 Super Duty gets a combined Avg MPG of 13.69 with a 0.06 MPG margin of error.

Any Engine Type 5.4L V8 GAS (19) 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 (46) XLT (117) Other (40)

Below you can see a distribution of the fuel-ups with 488 outliers (3.44%) removed.

Following shows the average MPG of each of the 247 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 Aug 2022 • 136 Fuel-ups

  Property of ichase22

• 17.2 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Mar 2020 • 113 Fuel-ups

  Property of MD_7three

• 11.6 Avg MPG

• Super Duty

  1999 Ford F-250 Super Duty XL 6.8L V10 GAS Automatic 4 Speed
  Added Jan 2024 • 94 Fuel-ups

  Property of Bigslayer89

• 10.6 Avg MPG

• Ford F-250 Super Duty 4X4 XLT

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Manual 6 Speed
  Added Sep 2016 • 239 Fuel-ups

  Property of Cachip

• 11.2 Avg MPG

• Frankin Ford

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Aug 2016 • 441 Fuel-ups

  Property of stooby21

• 16.6 Avg MPG

• F250

  1999 Ford F-250 Super Duty XL 7.3L V8 DIESEL Automatic 4 Speed
  Added Oct 2017 • 239 Fuel-ups

  Property of crwsdrs

• 11.4 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Manual 6 Speed
  Added Feb 2025 • 11 Fuel-ups

  Property of clcochran06

• 12.7 Avg MPG

• F-250

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Mar 2017 • 267 Fuel-ups

  Property of gymbeau

• 16.0 Avg MPG

• Tracy's Truck

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Mar 2017 • 259 Fuel-ups

  Property of Smiff

• 13.5 Avg MPG

• The Ford

  1999 Ford F-250 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added May 2018 • 219 Fuel-ups

  Property of gcdettbarn

• 12.7 Avg MPG

• F-250 Super Duty

  1999 Ford F-250 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed
  Added Feb 2022 • 78 Fuel-ups

  Property of Globalfms

• 15.9 Avg MPG

• Ron - 1999 F250

  1999 Ford F-250 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed
  Added Jul 2023 • 81 Fuel-ups

  Property of bluelabeldrinker

• 22.8 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed
  Added Aug 2024 • 24 Fuel-ups

  Property of bmtothemo

• 12.2 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty XL 7.3L V8 DIESEL Automatic 4 Speed
  Added Apr 2020 • 65 Fuel-ups

  Property of rlsudlow

• 12.8 Avg MPG

• FireTruck

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Mar 2017 • 142 Fuel-ups

  Property of zodiac

• 16.1 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty XLT 6.8L V10 GAS Automatic 4 Speed
  Added Mar 2024 • 82 Fuel-ups

  Property of dawson989

• 6.6 Avg MPG

• Pegisi

  1999 Ford F-250 Super Duty Lariat 5.4L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Dec 2017 • 282 Fuel-ups

  Property of tilby1863

• 11.7 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty Lariat 6.8L V10 GAS Automatic 4 Speed
  Added Jun 2024 • 70 Fuel-ups

  Property of evangelistgroves

• 10.3 Avg MPG

• Big Dirty

  1999 Ford F-250 Super Duty XL 7.3L V8 DIESEL Automatic 4 Speed
  Added Feb 2015 • 59 Fuel-ups

  Property of terkert

• 17.6 Avg MPG

• F250

  1999 Ford F-250 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added Oct 2017 • 129 Fuel-ups

  Property of glm2

• 16.9 Avg MPG

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