Based on data from 89 vehicles, 6,413 fuel-ups and 2,216,893 miles of driving, the 2021 Ford F-350 Super Duty gets a combined Avg MPG of 12.20 with a 0.12 MPG margin of error.

Any Engine Type 6.2L V8 FLEX (6) 6.7L V8 DIESEL (64) 7.3L V8 GAS (18) Any Body Style Standard Cab Pickup (1) Extended Cab Pickup (2) Crew Cab Pickup (20) Cab & Chassis - Crew Cab (2) Any Submodel XL (5) Limited (6) King Ranch (9) XLT (13) Platinum (15) Lariat (40) Other (1)

Below you can see a distribution of the fuel-ups with 34 outliers (0.53%) removed.

Following shows the average MPG of each of the 89 vehicles in the system.

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• Tremor

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added May 2021 • 159 Fuel-ups

  Property of DrSpeed

• 13.6 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 7.3L V8 GAS Automatic 10 Speed
  Added Jan 2021 • 337 Fuel-ups

  Property of Laddy_03

• 7.6 Avg MPG

• Das Truck

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added Apr 2021 • 46 Fuel-ups

  Property of JonInVA

• 13.5 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Jul 2022 • 148 Fuel-ups

  Property of wileycrew

• 13.0 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added Mar 2022 • 98 Fuel-ups

  Property of clcsmith78

• 14.4 Avg MPG

• 2021 F-350 Tremor

  2021 Ford F-350 Super Duty King Ranch 6.7L V8 DIESEL Automatic 10 Speed
  Added Mar 2021 • 155 Fuel-ups

  Property of Miket54

• 15.2 Avg MPG

• 2021 F-350 Super Duty

  2021 Ford F-350 Super Duty Limited 6.7L V8 DIESEL Automatic 10 Speed
  Added Jul 2021 • 123 Fuel-ups

  Property of dslbvr

• 15.1 Avg MPG

• New BCI CSU

  2021 Ford F-350 Super Duty XL 6.2L V8 FLEX Automatic 10 Speed
  Added Dec 2022 • 154 Fuel-ups

  Property of mathew291

• 9.3 Avg MPG

• Shark

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Aug 2021 • 112 Fuel-ups

  Property of ksaff

• 13.4 Avg MPG

• Blue Streak

  2021 Ford F-350 Super Duty XLT 6.7L V8 DIESEL Automatic 10 Speed
  Added Apr 2021 • 35 Fuel-ups

  Property of jdaniels0357

• 14.7 Avg MPG

• Atlas

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Mar 2021 • 66 Fuel-ups

  Property of mikejvolz

• 14.6 Avg MPG

• 2021 F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 7.3L V8 GAS Automatic 10 Speed
  Added May 2021 • 99 Fuel-ups

  Property of Morbert

• 11.7 Avg MPG

• 2021 F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Jan 2021 • 82 Fuel-ups

  Property of psdx

• 12.7 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 7.3L V8 GAS Automatic 10 Speed
  Added Jul 2021 • 210 Fuel-ups

  Property of ladenburgm

• 9.1 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty XLT 7.3L V8 GAS Automatic 10 Speed
  Added Jun 2023 • 39 Fuel-ups

  Property of GoldAsh

• 11.0 Avg MPG

• Big Blue

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Jan 2021 • 128 Fuel-ups

  Property of slth69

• 16.3 Avg MPG

• Beastie

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Mar 2021 • 106 Fuel-ups

  Property of cordkrisr

• 13.2 Avg MPG

• Sierra F-350

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added Jan 2021 • 272 Fuel-ups

  Property of SierraRider

• 13.8 Avg MPG

• F350

  2021 Ford F-350 Super Duty XLT 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Jan 2023 • 71 Fuel-ups

  Property of fisenberg13

• 14.7 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty King Ranch 6.7L V8 DIESEL Automatic 10 Speed
  Added Feb 2021 • 103 Fuel-ups

  Property of PGEduardo

• 13.7 Avg MPG

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