Based on data from 118 vehicles, 5,559 fuel-ups and 1,796,483 miles of driving, the 1999 Ford F-350 Super Duty gets a combined Avg MPG of 12.84 with a 0.09 MPG margin of error.

Any Engine Type 5.4L V8 GAS (1) 6.8L V10 GAS (7) 7.3L V8 DIESEL (84) V10 GAS (1) V8 DIESEL (24) Any Body Style Standard Cab Pickup (2) Extended Cab Pickup (10) Crew Cab Pickup (28) Delivery Van (1) Cab & Chassis - Long Conventional (1) Cab & Chassis - Extended Cab (1) Any Submodel XL (11) Lariat (31) XLT (51) Other (25)

Below you can see a distribution of the fuel-ups with 153 outliers (2.68%) removed.

Following shows the average MPG of each of the 118 vehicles in the system.

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• My F-350 Super Duty

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Oct 2020 • 51 Fuel-ups

  Property of damianelec

• 14.1 Avg MPG

• Jimmy's uhaul

  1999 Ford F-350 Super Duty XLT 6.8L V10 GAS Automatic 4 Speed Delivery Van
  Added Mar 2020 • 84 Fuel-ups

  Property of trvln4it

• 9.2 Avg MPG

• Jeffrey Jones

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Manual 6 Speed Crew Cab Pickup
  Added Jan 2020 • 86 Fuel-ups

  Property of 99f350

• 13.9 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty XL 7.3L V8 DIESEL Automatic 4 Speed
  Added Aug 2020 • 10 Fuel-ups

  Property of magnumxl4

• 13.6 Avg MPG

• Green Truck

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Sep 2016 • 466 Fuel-ups

  Property of acornprod

• 13.2 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed
  Added Sep 2020 • 6 Fuel-ups

  Property of Dbranham3

• 12.7 Avg MPG

• F-350 Super Duty

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Feb 2020 • 17 Fuel-ups

  Property of jrlacyjr

• 15.9 Avg MPG

• F-350 Super Duty XL

  1999 Ford F-350 Super Duty XL 7.3L V8 DIESEL Automatic 4 Speed
  Added Nov 2019 • 11 Fuel-ups

  Property of banest1

• 10.1 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed
  Added Jul 2017 • 94 Fuel-ups

  Property of dwink

• 14.0 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Standard 6 Speed
  Added Nov 2017 • 52 Fuel-ups

  Property of wsriehl

• 15.2 Avg MPG

• Powerstroke

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Mar 2017 • 169 Fuel-ups

  Property of mothman350

• 14.3 Avg MPG

• Great White

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Standard 6 Speed
  Added Sep 2015 • 114 Fuel-ups

  Property of porkems2

• 17.5 Avg MPG

• 1999 F350

  1999 Ford F-350 Super Duty XLT 6.8L V10 GAS Automatic 4 Speed Crew Cab Pickup
  Added Nov 2017 • 28 Fuel-ups

  Property of ntschultz15

• 14.4 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed
  Added Feb 2019 • 33 Fuel-ups

  Property of bshahan13

• 10.5 Avg MPG

• F350

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added Jan 2018 • 93 Fuel-ups

  Property of wkoehler7987

• 14.8 Avg MPG

• Ferd F-Teen Thousand

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Manual 6 Speed Cab & Chassis - Extended Cab
  Added May 2018 • 22 Fuel-ups

  Property of YendraBuilt

• 12.8 Avg MPG

• F-350

  1999 Ford F-350 Super Duty DIESEL V8
  Added Jan 2013 • 19 Fuel-ups

  Property of aneaville

• 18.4 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Nov 2019 • 27 Fuel-ups

  Property of Buhlscat

• 15.8 Avg MPG

• F350

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added Mar 2020 • 11 Fuel-ups

  Property of daford

• 15.8 Avg MPG

• Big Red

  1999 Ford F-350 Super Duty XLT
  Added Oct 2017 • 24 Fuel-ups

  Property of Rsmfire

• 23.8 Avg MPG

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