Based on data from 121 vehicles, 5,561 fuel-ups and 1,811,378 miles of driving, the 1999 Ford F-350 Super Duty gets a combined Avg MPG of 12.88 with a 0.10 MPG margin of error.

Any Engine Type 5.4L V8 GAS (3) 6.8L V10 GAS (7) 7.3L V8 DIESEL (86) V10 GAS (1) V8 DIESEL (23) Any Body Style Standard Cab Pickup (2) Extended Cab Pickup (8) Crew Cab Pickup (28) Delivery Van (1) Cab & Chassis - Long Conventional (1) Cab & Chassis - Extended Cab (1) Any Submodel XL (12) Lariat (31) XLT (54) Other (24)

Below you can see a distribution of the fuel-ups with 161 outliers (2.81%) removed.

Following shows the average MPG of each of the 121 vehicles in the system.

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• Truckaroo

  1999 Ford F-350 Super Duty XL 7.3L V8 DIESEL
  Added Oct 2021 • 89 Fuel-ups

  Property of Mikhailov

• 13.0 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Nov 2021 • 3 Fuel-ups

  Property of Bitticks

• 19.3 Avg MPG

• Great White

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Standard 6 Speed
  Added Sep 2015 • 132 Fuel-ups

  Property of porkems2

• 17.4 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Jun 2021 • 26 Fuel-ups

  Property of ztruck

• 13.3 Avg MPG

• Black Betty

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Nov 2021 • 10 Fuel-ups

  Property of TheMalevolentMan

• 11.8 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Oct 2020 • 186 Fuel-ups

  Property of damianelec

• 15.1 Avg MPG

• Vera

  1999 Ford F-350 Super Duty Lariat 7.3L DIESEL V8 Automatic 4 Crew Cab Pickup (4 Door)
  Added Jun 2015 • 125 Fuel-ups

  Property of Brokeback

• 12.9 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added May 2021 • 28 Fuel-ups

  Property of haydenf96

• 11.9 Avg MPG

• 1999 F350

  1999 Ford F-350 Super Duty XLT 6.8L V10 GAS Automatic 4 Speed Crew Cab Pickup
  Added Nov 2017 • 38 Fuel-ups

  Property of ntschultz15

• 11.7 Avg MPG

• Jeffrey Jones

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Manual 6 Speed Crew Cab Pickup
  Added Jan 2020 • 163 Fuel-ups

  Property of 99f350

• 14.6 Avg MPG

• Powerstroke

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Mar 2017 • 179 Fuel-ups

  Property of mothman350

• 14.3 Avg MPG

• Green Truck

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Sep 2016 • 492 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 Manual 6 Speed
  Added Sep 2021 • 4 Fuel-ups

  Property of smleno1mkIII

• 15.3 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Standard 6 Speed
  Added Jun 2016 • 24 Fuel-ups

  Property of ripper2670

• 13.0 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty XL 5.4L V8 GAS Automatic 4 Speed
  Added Oct 2021 • 14 Fuel-ups

  Property of Margiegas

• 10.1 Avg MPG

• Big Red

  1999 Ford F-350 Super Duty XLT
  Added Oct 2017 • 27 Fuel-ups

  Property of Rsmfire

• 23.3 Avg MPG

• Dually

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added Nov 2012 • 210 Fuel-ups

  Property of Project7Studios

• 13.6 Avg MPG

• F350

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added Mar 2013 • 170 Fuel-ups

  Property of jjurich

• 13.1 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Standard 6 Speed
  Added Nov 2017 • 71 Fuel-ups

  Property of wsriehl

• 14.9 Avg MPG

• F-350 Super Duty XL

  1999 Ford F-350 Super Duty XL 7.3L V8 DIESEL Automatic 4 Speed
  Added Nov 2019 • 25 Fuel-ups

  Property of banest1

• 10.7 Avg MPG

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