Based on data from 137 vehicles, 6,341 fuel-ups and 2,070,386 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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• Ford

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL Standard 5 Speed Crew Cab Pickup
  Added Mar 2018 • 7 Fuel-ups

  Property of zac99

• 11.5 Avg MPG

• Great white mk2

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Standard 6 Speed Crew Cab Pickup
  Added Feb 2012 • 53 Fuel-ups

  Property of BikerTrash

• 15.5 Avg MPG

• Ford

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed
  Added Apr 2017 • 133 Fuel-ups

  Property of bertgrundle

• 12.9 Avg MPG

• Betsy

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added Feb 2018 • 19 Fuel-ups

  Property of robin1fl

• 13.2 Avg MPG

• F350

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Mar 2018 • 41 Fuel-ups

  Property of kwconst

• 16.4 Avg MPG

• BossHog

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Standard 5 Speed Crew Cab Pickup
  Added Mar 2014 • 105 Fuel-ups

  Property of BossHog

• 14.2 Avg MPG

• Pickup

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Standard 6 Speed Crew Cab Pickup
  Added Nov 2017 • 76 Fuel-ups

  Property of nitrogalaxie

• 13.5 Avg MPG

• F350

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Standard 6 Speed Crew Cab Pickup
  Added Dec 2017 • 7 Fuel-ups

  Property of myhorses4

• 13.0 Avg MPG

• Brian

  1999 Ford F-350 Super Duty XL 7.3L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added Dec 2017 • 6 Fuel-ups

  Property of brc1289

• 12.5 Avg MPG

• Ford F350

  1999 Ford F-350 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed
  Added Mar 2017 • 15 Fuel-ups

  Property of Firestorm411

• 12.1 Avg MPG

• My F-350 Super Duty

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Standard 6 Speed
  Added Jan 2016 • 13 Fuel-ups

  Property of ThePerfectLine

• 14.1 Avg MPG

• 1999 powerstroke

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added Feb 2017 • 6 Fuel-ups

  Property of firehawk618

• 12.5 Avg MPG

• F350

  1999 Ford F-350 Super Duty XLT 7.3L DIESEL V8 Automatic 4 Extended Cab Pickup (4 Door)
  Added Apr 2015 • 150 Fuel-ups

  Property of AnkD

• 14.1 Avg MPG

• Big dog

  1999 Ford F-350 Super Duty DIESEL V8
  Added May 2011 • 10 Fuel-ups

  Property of Ilucky17

• 14.1 Avg MPG

• F-350

  1999 Ford F-350 Super Duty XL 7.3L V8 DIESEL Automatic 4 Speed
  Added Sep 2016 • 11 Fuel-ups

  Property of coderbrown

• 13.1 Avg MPG

• 1999 7.3 Diesel F350

  1999 Ford F-350 Super Duty XL 7.3L V8 DIESEL Automatic 4 Speed
  Added Apr 2016 • 66 Fuel-ups

  Property of DrivingFords

• 11.4 Avg MPG

• Bessie

  1999 Ford F-350 Super Duty XL 7.3L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added Apr 2016 • 12 Fuel-ups

  Property of bonjoey

• 11.1 Avg MPG

• Truck

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed Standard Cab Pickup
  Added Sep 2014 • 30 Fuel-ups

  Property of Pikachu_Too

• 15.1 Avg MPG

• White whale

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Jul 2016 • 3 Fuel-ups

  Property of Roel

• 10.2 Avg MPG

• Dually

  1999 Ford F-350 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added Oct 2015 • 16 Fuel-ups

  Property of Harvey5143

• 12.3 Avg MPG

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