Based on data from 49 vehicles, 1,585 fuel-ups and 379,291 miles of driving, the 2008 Ford F-450 Super Duty gets a combined Avg MPG of 9.60 with a 0.11 MPG margin of error.

Any Engine Type 6.4L V8 DIESEL (37) 6.8L V10 GAS (1) V8 DIESEL (9) Any Body Style Crew Cab Pickup (7) Cab & Chassis (1) Cab & Chassis - Long Conventional (2) Any Submodel XLT (1) XL (7) King Ranch (11) Lariat (20) Other (10)

Below you can see a distribution of the fuel-ups with 103 outliers (6.10%) removed.

Following shows the average MPG of each of the 49 vehicles in the system.

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• My F-450 Super Duty

  2008 Ford F-450 Super Duty XL 6.4L V8 DIESEL Automatic 5 Speed
  Added Oct 2017 • 147 Fuel-ups

  Property of scprettyman

• 9.7 Avg MPG

• Ford F-450 Super Duty

  2008 Ford F-450 Super Duty Lariat 6.4L V8 DIESEL
  Added Sep 2023 • 10 Fuel-ups

  Property of dcampbell9253

• 10.3 Avg MPG

• Ford F-450

  2008 Ford F-450 Super Duty King Ranch 6.4L V8 DIESEL Automatic 5 Speed
  Added Sep 2016 • 540 Fuel-ups

  Property of RonCole

• 10.3 Avg MPG

• F-450 Super Duty

  2008 Ford F-450 Super Duty Lariat 6.4L V8 DIESEL Automatic 5 Speed
  Added Mar 2019 • 51 Fuel-ups

  Property of tnmotorman

• 8.9 Avg MPG

• Second F-450 Super Duty

  2008 Ford F-450 Super Duty Lariat 6.4L V8 DIESEL Automatic 5 Speed
  Added Sep 2023 • 34 Fuel-ups

  Property of sony710

• 10.0 Avg MPG

• Bucket Truck

  2008 Ford F-450 Super Duty XL 6.4L V8 DIESEL Automatic 5 Speed Cab & Chassis - Long Conventional
  Added Nov 2019 • 80 Fuel-ups

  Property of porscheman170

• 7.2 Avg MPG

• My F-450 Super Duty

  2008 Ford F-450 Super Duty Lariat 6.4L V8 DIESEL Automatic 5 Speed
  Added Apr 2021 • 46 Fuel-ups

  Property of sony710

• 10.9 Avg MPG

• Ford F-450 Super Duty

  2008 Ford F-450 Super Duty Lariat 6.4L V8 DIESEL Automatic 5 Speed
  Added Nov 2018 • No Fuel-ups

  Property of Eofthe8

• 0.0 Avg MPG

• My F-450 Super Duty

  2008 Ford F-450 Super Duty Lariat 6.4L V8 DIESEL Automatic 5 Speed
  Added Aug 2020 • 125 Fuel-ups

  Property of Jsimone5132

• 9.4 Avg MPG

• Truck 18 Service

  2008 Ford F-450 Super Duty XL 6.4L V8 DIESEL Automatic 5 Speed Cab & Chassis
  Added Jun 2020 • 130 Fuel-ups

  Property of gprp

• 10.1 Avg MPG

• My F-450 Super Duty

  2008 Ford F-450 Super Duty King Ranch
  Added Apr 2021 • 104 Fuel-ups

  Property of popplc

• 9.7 Avg MPG

• My F-450 Super Duty

  2008 Ford F-450 Super Duty King Ranch 6.4L V8 DIESEL Automatic 5 Speed
  Added May 2021 • 20 Fuel-ups

  Property of silgto

• 10.7 Avg MPG

• Boss

  2008 Ford F-450 Super Duty King Ranch 6.4L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Jan 2018 • 33 Fuel-ups

  Property of ffloyd

• 13.1 Avg MPG

• 2008 F-450

  2008 Ford F-450 Super Duty XL 6.4L V8 DIESEL Automatic 5 Speed Cab & Chassis - Long Conventional
  Added Jun 2020 • 44 Fuel-ups

  Property of ConorL

• 6.6 Avg MPG

• Super Dually

  2008 Ford F-450 Super Duty Lariat 6.4L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Mar 2020 • 39 Fuel-ups

  Property of thebigmantiny

• 10.2 Avg MPG

• My F-450 Super Duty

  2008 Ford F-450 Super Duty Lariat 6.4L V8 DIESEL Automatic 5 Speed
  Added Jun 2020 • 10 Fuel-ups

  Property of Chrisyeager12

• 11.3 Avg MPG

• My F-450 Super Duty

  2008 Ford F-450 Super Duty XLT 6.4L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Jul 2020 • 25 Fuel-ups

  Property of travelkelley

• 7.8 Avg MPG

• F450

  2008 Ford F-450 Super Duty King Ranch 6.4L V8 DIESEL Standard 6 Speed
  Added Aug 2016 • 150 Fuel-ups

  Property of Chep

• 9.1 Avg MPG

• F450

  2008 Ford F-450 Super Duty XL 6.4L V8 DIESEL Automatic 5 Speed
  Added Sep 2016 • 49 Fuel-ups

  Property of crossprice

• 9.0 Avg MPG

• Ferd F-teenthousand

  2008 Ford F-450 Super Duty Lariat 6.4L V8 DIESEL Automatic 5 Speed
  Added Dec 2018 • 13 Fuel-ups

  Property of flainn

• 11.0 Avg MPG

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