Based on data from 243 vehicles, 12,713 fuel-ups and 3,916,736 miles of driving, the 1999 Ford F-250 Super Duty gets a combined Avg MPG of 13.77 with a 0.07 MPG margin of error.

Any Engine Type 5.4L V8 GAS (19) 6.8L V10 GAS (35) 7.3L V8 DIESEL (145) GAS (1) V10 GAS (4) V8 DIESEL (27) V8 GAS (3) Any Body Style Standard Cab Pickup (4) Extended Cab Pickup (46) Crew Cab Pickup (22) Extended Crew Cab Pickup (1) Cab & Chassis - Extended Cab (1) Any Submodel XL (43) Lariat (45) XLT (115) Other (40)

Below you can see a distribution of the fuel-ups with 430 outliers (3.27%) removed.

Following shows the average MPG of each of the 243 vehicles in the system.

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• Big Dirty

  1999 Ford F-250 Super Duty XL 7.3L V8 DIESEL Automatic 4 Speed
  Added Feb 2015 • 55 Fuel-ups

  Property of terkert

• 17.6 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty XL 7.3L V8 DIESEL Automatic 4 Speed
  Added Dec 2022 • 58 Fuel-ups

  Property of miked48

• 13.8 Avg MPG

• White

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added May 2023 • 24 Fuel-ups

  Property of Sierra1021

• 15.0 Avg MPG

• Big Red

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added May 2023 • 35 Fuel-ups

  Property of Fafogarage03

• 14.3 Avg MPG

• F-250 Super Duty

  1999 Ford F-250 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed
  Added Feb 2022 • 37 Fuel-ups

  Property of Globalfms

• 15.6 Avg MPG

• 1999 F-250

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Standard 6 Speed Crew Cab Pickup
  Added Dec 2014 • 127 Fuel-ups

  Property of SuperDuty

• 14.7 Avg MPG

• F250

  1999 Ford F-250 Super Duty XLT 5.4L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jul 2023 • 17 Fuel-ups

  Property of schneider_billy

• 13.1 Avg MPG

• Horse Haulin

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Manual 6 Speed Extended Cab Pickup
  Added Oct 2010 • 234 Fuel-ups

  Property of Rustin

• 17.3 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty XL 7.3L V8 DIESEL Automatic 4 Speed
  Added Apr 2020 • 60 Fuel-ups

  Property of rlsudlow

• 12.8 Avg MPG

• Frankin Ford

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Aug 2016 • 433 Fuel-ups

  Property of stooby21

• 16.7 Avg MPG

• USS Reliant

  1999 Ford F-250 Super Duty XL 6.8L V10 GAS Automatic 4 Speed Extended Cab Pickup
  Added Aug 2018 • 36 Fuel-ups

  Property of CapriMikeC

• 12.1 Avg MPG

• F-250 Super Duty

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Standard 6 Speed
  Added Nov 2017 • 78 Fuel-ups

  Property of tstyles

• 16.4 Avg MPG

• Four Star F250

  1999 Ford F-250 Super Duty XL 5.4L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jul 2023 • 16 Fuel-ups

  Property of cooter47n

• 12.8 Avg MPG

• Red Truck

  1999 Ford F-250 Super Duty XL 7.3L V8 DIESEL Standard 6 Speed Extended Cab Pickup
  Added Dec 2017 • 14 Fuel-ups

  Property of dougtoomey

• 13.9 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added May 2020 • 25 Fuel-ups

  Property of towerdude5280

• 14.6 Avg MPG

• 1999 F-250 Super Duty

  1999 Ford F-250 Super Duty XLT 6.8L V10 GAS Automatic 4 Speed
  Added Jan 2022 • 36 Fuel-ups

  Property of kyclosets

• 9.9 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty Lariat 5.4L V8 GAS Automatic 4 Speed
  Added May 2020 • 127 Fuel-ups

  Property of mhrcek

• 12.0 Avg MPG

• My F-250 Super Duty

  1999 Ford F-250 Super Duty Lariat 7.3L V8 DIESEL Automatic 4 Speed
  Added Mar 2021 • 48 Fuel-ups

  Property of jcoop45

• 16.6 Avg MPG

• Pickup

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Mar 2017 • 114 Fuel-ups

  Property of Tshep

• 17.0 Avg MPG

• Truck

  1999 Ford F-250 Super Duty XLT 7.3L V8 DIESEL Automatic 4 Speed
  Added Feb 2017 • 125 Fuel-ups

  Property of icicle

• 12.3 Avg MPG

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