Based on data from 85 vehicles, 5,266 fuel-ups and 1,803,989 miles of driving, the 2021 Ford F-350 Super Duty gets a combined Avg MPG of 12.26 with a 0.13 MPG margin of error.

Any Engine Type 6.2L V8 FLEX (4) 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 (12) Platinum (15) Lariat (38) Other (1)

Below you can see a distribution of the fuel-ups with 24 outliers (0.45%) removed.

Following shows the average MPG of each of the 85 vehicles in the system.

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• 2021 F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Feb 2021 • 145 Fuel-ups

  Property of ScrewStang

• 16.8 Avg MPG

• 2022 F-350 work truck

  2021 Ford F-350 Super Duty XL 7.3L V8 GAS Automatic 10 Speed
  Added Nov 2021 • 112 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 Sep 2021 • 66 Fuel-ups

  Property of MontanaRusd

• 13.8 Avg MPG

• 2021 F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Jan 2021 • 78 Fuel-ups

  Property of psdx

• 12.7 Avg MPG

• 2021 F-350 7.3L Tremor

  2021 Ford F-350 Super Duty Lariat 7.3L V8 GAS Automatic 10 Speed
  Added May 2021 • 133 Fuel-ups

  Property of bones_22

• 10.2 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added May 2023 • 83 Fuel-ups

  Property of FFX5OH

• 16.5 Avg MPG

• 91622068

  2021 Ford F-350 Super Duty
  Added Mar 2024 • 25 Fuel-ups

  Property of tireoutlet

• 14.0 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty XLT 6.7L V8 DIESEL Automatic 10 Speed
  Added Mar 2022 • 704 Fuel-ups

  Property of acedbs44

• 11.0 Avg MPG

• F350 Calypso

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added Apr 2022 • 132 Fuel-ups

  Property of ryanwood94

• 12.4 Avg MPG

• Big Blue

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Jan 2021 • 109 Fuel-ups

  Property of slth69

• 16.3 Avg MPG

• 2021 F-350 Super Duty

  2021 Ford F-350 Super Duty Limited 6.7L V8 DIESEL Automatic 10 Speed
  Added Jul 2021 • 102 Fuel-ups

  Property of dslbvr

• 15.2 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 • 93 Fuel-ups

  Property of PGEduardo

• 13.8 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Jul 2022 • 123 Fuel-ups

  Property of wileycrew

• 12.3 Avg MPG

• F350

  2021 Ford F-350 Super Duty XLT 6.2L V8 FLEX Automatic 10 Speed Cab & Chassis - Crew Cab
  Added May 2022 • 38 Fuel-ups

  Property of 2021F350

• 12.5 Avg MPG

• F350

  2021 Ford F-350 Super Duty XLT 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Jan 2023 • 49 Fuel-ups

  Property of fisenberg13

• 14.2 Avg MPG

• 21 F-350

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added Apr 2021 • 239 Fuel-ups

  Property of MudMann94

• 14.2 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Jul 2023 • 49 Fuel-ups

  Property of sobermpg

• 17.7 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 • 135 Fuel-ups

  Property of GG350

• 13.9 Avg MPG

• My F-350 Super Duty

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

  Property of edirbcmrm

• 16.5 Avg MPG

• Betty White (2021 F350)

  2021 Ford F-350 Super Duty Lariat 7.3L V8 GAS Automatic 10 Speed
  Added Jan 2021 • 79 Fuel-ups

  Property of thuhmann

• 12.3 Avg MPG

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