Based on data from 142 vehicles, 6,597 fuel-ups and 2,143,679 miles of driving, the 1999 Ford F-350 Super Duty gets a combined Avg MPG of 12.99 with a 0.09 MPG margin of error.

Any Engine Type 5.4L V8 GAS (2) 6.8L V10 GAS (10) 7.3L V8 DIESEL (105) V10 GAS (1) V8 DIESEL (23) Any Body Style Standard Cab Pickup (3) Extended Cab Pickup (10) Crew Cab Pickup (30) Delivery Van (1) Cab & Chassis - Long Conventional (1) Cab & Chassis - Extended Cab (1) Any Submodel XL (16) Lariat (35) XLT (67) Other (24)

Below you can see a distribution of the fuel-ups with 184 outliers (2.71%) removed.

Following shows the average MPG of each of the 142 vehicles in the system.

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• My F-350 Super Duty

  1999 Ford F-350 Super Duty XL 6.8L V10 GAS Automatic 4 Speed
  Added May 2024 • 4 Fuel-ups

  Property of gdorris

• 9.4 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty XL 7.3L V8 DIESEL Automatic 4 Speed
  Added Jul 2023 • 14 Fuel-ups

  Property of Brad1717

• 14.5 Avg MPG

• Woodys 7.3

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added Dec 2023 • 9 Fuel-ups

  Property of jessykatie

• 15.6 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Nov 2019 • 103 Fuel-ups

  Property of Buhlscat

• 16.8 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Manual 6 Speed
  Added Sep 2024 • 4 Fuel-ups

  Property of PooperDuty

• 13.8 Avg MPG

• 1999 F350

  1999 Ford F-350 Super Duty XLT 6.8L V10 GAS Automatic 4 Speed Crew Cab Pickup
  Added Nov 2017 • 56 Fuel-ups

  Property of ntschultz15

• 11.5 Avg MPG

• Truckasaurus Verde

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added Nov 2017 • 38 Fuel-ups

  Property of dmremtp

• 22.8 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL Manual 6 Speed
  Added Jul 2022 • 16 Fuel-ups

  Property of markthema3

• 12.5 Avg MPG

• Flatbed

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added May 2022 • 82 Fuel-ups

  Property of firegoose

• 11.8 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Standard 6 Speed
  Added Jun 2016 • 34 Fuel-ups

  Property of ripper2670

• 13.0 Avg MPG

• F-350

  1999 Ford F-350 Super Duty DIESEL V8
  Added Jan 2013 • 31 Fuel-ups

  Property of aneaville

• 16.0 Avg MPG

• ZZ Green Truck

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Sep 2016 • 541 Fuel-ups

  Property of acornprod

• 13.3 Avg MPG

• My F350

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed
  Added Jan 2017 • 156 Fuel-ups

  Property of redwing98

• 12.3 Avg MPG

• Truck

  1999 Ford F-350 Super Duty Lariat 5.4L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 108 Fuel-ups

  Property of Bowty

• 15.2 Avg MPG

• F350

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added Aug 2019 • 99 Fuel-ups

  Property of Tooger

• 11.7 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed
  Added Jul 2017 • 125 Fuel-ups

  Property of dwink

• 13.7 Avg MPG

• Dually

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added Nov 2012 • 249 Fuel-ups

  Property of Project7Studios

• 14.0 Avg MPG

• Ford F350

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL
  Added Jun 2019 • 24 Fuel-ups

  Property of tait4aft

• 14.6 Avg MPG

• F350

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added Jan 2018 • 120 Fuel-ups

  Property of wkoehler7987

• 15.2 Avg MPG

• 99 F-350 SD

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Feb 2023 • 15 Fuel-ups

  Property of 913

• 12.7 Avg MPG

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