Based on data from 137 vehicles, 6,335 fuel-ups and 2,068,250 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 BIG GUY

  1999 Ford F-350 Super Duty DIESEL V8
  Added Dec 2012 • 20 Fuel-ups

  Property of feonix1123

• 12.3 Avg MPG

• Ford 7.3L

  1999 Ford F-350 Super Duty DIESEL V8
  Added Jul 2011 • 37 Fuel-ups

  Property of kbieber8

• 11.1 Avg MPG

• Dragon Wagon

  1999 Ford F-350 Super Duty DIESEL V8
  Added Feb 2013 • 12 Fuel-ups

  Property of 225

• 16.1 Avg MPG

• Big Red

  1999 Ford F-350 Super Duty DIESEL V8
  Added Apr 2011 • 125 Fuel-ups

  Property of BuddhaKat

• 11.2 Avg MPG

• Ford

  1999 Ford F-350 Super Duty DIESEL V8
  Added Sep 2012 • 17 Fuel-ups

  Property of sunmill

• 14.8 Avg MPG

• Truckasaurus

  1999 Ford F-350 Super Duty DIESEL V8
  Added Sep 2012 • 24 Fuel-ups

  Property of bwilliams

• 20.5 Avg MPG

• F350

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added Jul 2022 • 22 Fuel-ups

  Property of mosmeloski

• 16.7 Avg MPG

• 99 V10 Plow Truck

  1999 Ford F-350 Super Duty Lariat 6.8L V10 GAS Standard 5 Speed
  Added Oct 2016 • 5 Fuel-ups

  Property of kchwhite

• 21.8 Avg MPG

• PowerStroke

  1999 Ford F-350 Super Duty DIESEL V8
  Added Mar 2012 • 4 Fuel-ups

  Property of GAHellinger

• 15.5 Avg MPG

• Clifford

  1999 Ford F-350 Super Duty DIESEL V8
  Added Oct 2012 • 3 Fuel-ups

  Property of twitched

• 15.0 Avg MPG

• Vinny

  1999 Ford F-350 Super Duty DIESEL V8
  Added Jun 2012 • 7 Fuel-ups

  Property of kmrenken

• 19.7 Avg MPG

• Ford F350

  1999 Ford F-350 Super Duty XLT 6.8L V10 GAS Automatic 4 Speed
  Added Feb 2017 • 43 Fuel-ups

  Property of agsten

• 8.9 Avg MPG

• Rustbucket

  1999 Ford F-350 Super Duty DIESEL V8
  Added Dec 2010 • 21 Fuel-ups

  Property of Fluffythedestroyer

• 15.3 Avg MPG

• 99 Diesel

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL Standard 5 Speed
  Added Oct 2016 • 3 Fuel-ups

  Property of kchwhite

• 15.2 Avg MPG

• The Mistress

  1999 Ford F-350 Super Duty DIESEL V8
  Added Apr 2011 • 3 Fuel-ups

  Property of hvactechhipp

• 14.4 Avg MPG

• Truck

  1999 Ford F-350 Super Duty DIESEL V8
  Added Mar 2010 • 36 Fuel-ups

  Property of jarrodbockhold

• 14.3 Avg MPG

• My F350

  1999 Ford F-350 Super Duty DIESEL V8
  Added Jun 2010 • 3 Fuel-ups

  Property of zytekfan

• 17.4 Avg MPG

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