Based on data from 132 vehicles, 5,926 fuel-ups and 1,933,497 miles of driving, the 1999 Ford F-350 Super Duty gets a combined Avg MPG of 12.95 with a 0.09 MPG margin of error.

Any Engine Type 5.4L V8 GAS (2) 6.8L V10 GAS (7) 7.3L V8 DIESEL (98) V10 GAS (1) V8 DIESEL (23) Any Body Style Standard Cab Pickup (3) Extended Cab Pickup (9) Crew Cab Pickup (31) Delivery Van (1) Cab & Chassis - Long Conventional (1) Cab & Chassis - Extended Cab (1) Any Submodel XL (11) Lariat (36) XLT (61) Other (24)

Below you can see a distribution of the fuel-ups with 172 outliers (2.82%) removed.

Following shows the average MPG of each of the 132 vehicles in the system.

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• Powerstronk

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added Jun 2022 • 16 Fuel-ups

  Property of JeepinJeff357

• 10.8 Avg MPG

• Dually

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added Nov 2012 • 236 Fuel-ups

  Property of Project7Studios

• 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 • 48 Fuel-ups

  Property of ntschultz15

• 11.6 Avg MPG

• Flatbed

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added May 2022 • 41 Fuel-ups

  Property of firegoose

• 12.2 Avg MPG

• Great White

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Standard 6 Speed
  Added Sep 2015 • 145 Fuel-ups

  Property of porkems2

• 17.4 Avg MPG

• Truckaroo

  1999 Ford F-350 Super Duty XL 7.3L V8 DIESEL
  Added Oct 2021 • 144 Fuel-ups

  Property of Mikhailov

• 13.3 Avg MPG

• Southern Finishing

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Manual 6 Speed Crew Cab Pickup
  Added Jun 2022 • 61 Fuel-ups

  Property of SFI504

• 14.0 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Manual 6 Speed
  Added Jan 2023 • 7 Fuel-ups

  Property of johncomp

• 22.8 Avg MPG

• 99 F-350 SD

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Feb 2023 • 3 Fuel-ups

  Property of 913

• 11.4 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Nov 2021 • 14 Fuel-ups

  Property of Bitticks

• 13.4 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Nov 2019 • 64 Fuel-ups

  Property of Buhlscat

• 16.1 Avg MPG

• F-350 Super Duty

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Feb 2020 • 39 Fuel-ups

  Property of jrlacyjr

• 16.0 Avg MPG

• Powerstroke

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Mar 2017 • 198 Fuel-ups

  Property of mothman350

• 14.3 Avg MPG

• Truckasaurus Verde

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added Nov 2017 • 31 Fuel-ups

  Property of dmremtp

• 22.6 Avg MPG

• 0 Green Truck

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Sep 2016 • 520 Fuel-ups

  Property of acornprod

• 13.3 Avg MPG

• Vera

  1999 Ford F-350 Super Duty Lariat 7.3L DIESEL V8 Automatic 4 Crew Cab Pickup (4 Door)
  Added Jun 2015 • 139 Fuel-ups

  Property of Brokeback

• 12.6 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed
  Added Jul 2017 • 117 Fuel-ups

  Property of dwink

• 13.7 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Standard 6 Speed
  Added Nov 2017 • 97 Fuel-ups

  Property of wsriehl

• 15.1 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Standard 6 Speed
  Added Jun 2016 • 27 Fuel-ups

  Property of ripper2670

• 13.0 Avg MPG

• My F-350 Super Duty - Day

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Jun 2022 • 6 Fuel-ups

  Property of pdjbrown

• 12.0 Avg MPG

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