Based on data from 137 vehicles, 6,333 fuel-ups and 2,067,455 miles of driving, the 1999 Ford F-350 Super Duty gets a combined Avg MPG of 12.98 with a 0.09 MPG margin of error.

Any Engine Type 5.4L V8 GAS (2) 6.8L V10 GAS (8) 7.3L V8 DIESEL (102) 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 (14) Lariat (35) XLT (64) Other (24)

Below you can see a distribution of the fuel-ups with 181 outliers (2.78%) removed.

Following shows the average MPG of each of the 137 vehicles in the system.

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• My F-350 Super Duty

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed
  Added Sep 2020 • 11 Fuel-ups

  Property of Dbranham3

• 29.9 Avg MPG

• Ford F350 Dually

  1999 Ford F-350 Super Duty XL 7.3L V8 DIESEL Manual 6 Speed
  Added Mar 2017 • 68 Fuel-ups

  Property of beltbuckle

• 12.4 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty Lariat 6.8L V10 GAS Automatic 4 Speed
  Added Jul 2020 • 14 Fuel-ups

  Property of Mjbutah

• 10.7 Avg MPG

• Super DUTY

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added Oct 2017 • 168 Fuel-ups

  Property of thumper81404

• 17.4 Avg MPG

• F350 2

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added Feb 2020 • 5 Fuel-ups

  Property of daford

• 13.7 Avg MPG

• Fred the Ferd

  1999 Ford F-350 Super Duty XL 7.3L V8 DIESEL Manual 6 Speed Cab & Chassis - Long Conventional
  Added Jun 2019 • 5 Fuel-ups

  Property of bshaun

• 20.7 Avg MPG

• Big Stick

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL Manual 6 Speed Extended Cab Pickup
  Added Jun 2019 • 4 Fuel-ups

  Property of PTOWNcommuter

• 15.0 Avg MPG

• My 99 F350 Powerstroke

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Manual 6 Speed Standard Cab Pickup
  Added Nov 2019 • 7 Fuel-ups

  Property of Mhicks99PS

• 16.3 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed
  Added Mar 2018 • 72 Fuel-ups

  Property of forddieselman

• 10.9 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Oct 2017 • 119 Fuel-ups

  Property of trekpsycho

• 11.5 Avg MPG

• 1999 F-350 Crewcab

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added Jan 2019 • 22 Fuel-ups

  Property of RichyBugs

• 13.5 Avg MPG

• Ford

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Standard 6 Speed
  Added Sep 2016 • 196 Fuel-ups

  Property of mtcattle

• 11.8 Avg MPG

• Ford F-350 7.3L

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added Jan 2013 • 110 Fuel-ups

  Property of dcollin9

• 14.4 Avg MPG

• Truck

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL Standard 6 Speed Crew Cab Pickup
  Added Dec 2018 • 232 Fuel-ups

  Property of audiskiguy

• 16.8 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Oct 2018 • 4 Fuel-ups

  Property of scottinpdx

• 10.7 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty XL 7.3L V8 DIESEL Standard 6 Speed
  Added Jan 2018 • 4 Fuel-ups

  Property of Fishbuster

• 3.9 Avg MPG

• truck

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL Standard 6 Speed Extended Cab Pickup
  Added Sep 2014 • 185 Fuel-ups

  Property of schmadeka58

• 13.9 Avg MPG

• Pickup

  1999 Ford F-350 Super Duty XLT 6.8L V10 GAS Automatic 4 Speed Crew Cab Pickup
  Added Jan 2018 • 247 Fuel-ups

  Property of WYnWest

• 11.1 Avg MPG

• F350

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added May 2018 • 15 Fuel-ups

  Property of htxdc

• 16.6 Avg MPG

• Brandon’s Truck Now

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Feb 2018 • 30 Fuel-ups

  Property of Traveler1761

• 12.1 Avg MPG

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