Based on data from 87 vehicles, 5,775 fuel-ups and 1,988,190 miles of driving, the 2021 Ford F-350 Super Duty gets a combined Avg MPG of 12.19 with a 0.13 MPG margin of error.

Any Engine Type 6.2L V8 FLEX (6) 6.7L V8 DIESEL (62) 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 Limited (5) XL (5) King Ranch (9) XLT (13) Platinum (15) Lariat (39) Other (1)

Below you can see a distribution of the fuel-ups with 31 outliers (0.53%) removed.

Following shows the average MPG of each of the 87 vehicles in the system.

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• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 7.3L V8 GAS Automatic 10 Speed
  Added Jan 2021 • 321 Fuel-ups

  Property of Laddy_03

• 7.6 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 7.3L V8 GAS Automatic 10 Speed
  Added Jul 2021 • 197 Fuel-ups

  Property of ladenburgm

• 9.1 Avg MPG

• Black Beauty

  2021 Ford F-350 Super Duty Limited 6.7L V8 DIESEL Automatic 10 Speed
  Added Feb 2023 • 21 Fuel-ups

  Property of cramil

• 14.2 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added Apr 2021 • 129 Fuel-ups

  Property of DHSQS

• 12.8 Avg MPG

• 2022 F-350 work truck

  2021 Ford F-350 Super Duty XL 7.3L V8 GAS Automatic 10 Speed
  Added Nov 2021 • 157 Fuel-ups

  Property of phatboy5015

• 9.1 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added May 2023 • 104 Fuel-ups

  Property of FFX5OH

• 16.4 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty XL 6.2L V8 FLEX Automatic 10 Speed
  Added Mar 2023 • 174 Fuel-ups

  Property of Rnadeau

• 10.2 Avg MPG

• 2021 F-350 Super Duty

  2021 Ford F-350 Super Duty Limited 6.7L V8 DIESEL Automatic 10 Speed
  Added Jul 2021 • 108 Fuel-ups

  Property of dslbvr

• 15.2 Avg MPG

• New BCI CSU

  2021 Ford F-350 Super Duty XL 6.2L V8 FLEX Automatic 10 Speed
  Added Dec 2022 • 114 Fuel-ups

  Property of mathew291

• 9.3 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Jan 2021 • 197 Fuel-ups

  Property of GSmith_34

• 19.3 Avg MPG

• 2021 F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Jan 2021 • 80 Fuel-ups

  Property of psdx

• 12.7 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty XLT 6.7L V8 DIESEL Automatic 10 Speed
  Added Mar 2022 • 819 Fuel-ups

  Property of acedbs44

• 11.1 Avg MPG

• Atlas

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Mar 2021 • 59 Fuel-ups

  Property of mikejvolz

• 14.5 Avg MPG

• Big Blue

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Jan 2021 • 118 Fuel-ups

  Property of slth69

• 16.3 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Dec 2021 • 25 Fuel-ups

  Property of edirbcmrm

• 15.8 Avg MPG

• Sierra F-350

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added Jan 2021 • 260 Fuel-ups

  Property of SierraRider

• 13.9 Avg MPG

• 2021 F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Feb 2021 • 161 Fuel-ups

  Property of ScrewStang

• 16.7 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 • 144 Fuel-ups

  Property of GG350

• 13.7 Avg MPG

• 21 F-350

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added Apr 2021 • 257 Fuel-ups

  Property of MudMann94

• 14.3 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Jul 2022 • 138 Fuel-ups

  Property of wileycrew

• 12.8 Avg MPG

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