Based on data from 88 vehicles, 6,546 fuel-ups and 2,265,977 miles of driving, the 2021 Ford F-350 Super Duty gets a combined Avg MPG of 12.19 with a 0.12 MPG margin of error.

Any Engine Type 6.2L V8 FLEX (6) 6.7L V8 DIESEL (63) 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 (12) Platinum (15) Lariat (40) Other (1)

Below you can see a distribution of the fuel-ups with 33 outliers (0.50%) removed.

Following shows the average MPG of each of the 88 vehicles in the system.

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• My F-350 Super Duty

  2021 Ford F-350 Super Duty XL 6.2L V8 FLEX Automatic 10 Speed
  Added Mar 2023 • 230 Fuel-ups

  Property of Rnadeau

• 10.9 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty XLT 6.7L V8 DIESEL Automatic 10 Speed
  Added Mar 2022 • 963 Fuel-ups

  Property of acedbs44

• 8.5 Avg MPG

• The Red Bull

  2021 Ford F-350 Super Duty XLT 7.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Jun 2021 • 81 Fuel-ups

  Property of campingalan

• 10.5 Avg MPG

• Tremor

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

  Property of DrSpeed

• 13.6 Avg MPG

• 2021 F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Feb 2021 • 179 Fuel-ups

  Property of ScrewStang

• 16.7 Avg MPG

• Beastie

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

  Property of cordkrisr

• 13.3 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Nov 2024 • 12 Fuel-ups

  Property of mdun25

• 14.0 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added May 2023 • 133 Fuel-ups

  Property of FFX5OH

• 16.4 Avg MPG

• 2022 F-350 work truck

  2021 Ford F-350 Super Duty XL 7.3L V8 GAS Automatic 10 Speed
  Added Nov 2021 • 228 Fuel-ups

  Property of phatboy5015

• 9.2 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Limited 6.7L V8 DIESEL Automatic 10 Speed
  Added Aug 2024 • 21 Fuel-ups

  Property of mwattack

• 13.3 Avg MPG

• Shark

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Aug 2021 • 114 Fuel-ups

  Property of ksaff

• 13.5 Avg MPG

• Big Blue

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Jan 2021 • 132 Fuel-ups

  Property of slth69

• 16.4 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Jan 2021 • 216 Fuel-ups

  Property of GSmith_34

• 19.3 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 • 179 Fuel-ups

  Property of GG350

• 13.5 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 7.3L V8 GAS Automatic 10 Speed
  Added Jul 2021 • 213 Fuel-ups

  Property of ladenburgm

• 9.1 Avg MPG

• Bruce's Truck

  2021 Ford F-350 Super Duty King Ranch 6.2L V8 FLEX Automatic 10 Speed Standard Cab Pickup
  Added Dec 2020 • 77 Fuel-ups

  Property of brucecarden

• 16.5 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Dec 2021 • 44 Fuel-ups

  Property of edirbcmrm

• 15.8 Avg MPG

• 2021 F-350 Tremor

  2021 Ford F-350 Super Duty King Ranch 6.7L V8 DIESEL Automatic 10 Speed
  Added Mar 2021 • 156 Fuel-ups

  Property of Miket54

• 15.2 Avg MPG

• F350

  2021 Ford F-350 Super Duty XLT 6.2L V8 FLEX Automatic 10 Speed Cab & Chassis - Crew Cab
  Added May 2022 • 47 Fuel-ups

  Property of 2021F350

• 12.5 Avg MPG

• F350 Calypso

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added Apr 2022 • 162 Fuel-ups

  Property of ryanwood94

• 12.5 Avg MPG

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