Based on data from 89 vehicles, 6,363 fuel-ups and 2,199,234 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 33 outliers (0.52%) removed.

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

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• My F-350 Super Duty

  2021 Ford F-350 Super Duty XLT 6.7L V8 DIESEL Automatic 10 Speed
  Added Mar 2022 • 936 Fuel-ups

  Property of acedbs44

• 8.4 Avg MPG

• 21 F-350

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added Apr 2021 • 273 Fuel-ups

  Property of MudMann94

• 14.4 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty XL 6.2L V8 FLEX Automatic 10 Speed
  Added Mar 2023 • 222 Fuel-ups

  Property of Rnadeau

• 10.9 Avg MPG

• F350

  2021 Ford F-350 Super Duty XLT 6.2L V8 FLEX Automatic 10 Speed Cab & Chassis - Crew Cab
  Added May 2022 • 45 Fuel-ups

  Property of 2021F350

• 12.4 Avg MPG

• 2022 F-350 work truck

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

  Property of phatboy5015

• 9.2 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Nov 2024 • 4 Fuel-ups

  Property of mdun25

• 12.7 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

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Jan 2021 • 210 Fuel-ups

  Property of GSmith_34

• 19.3 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Dec 2021 • 38 Fuel-ups

  Property of edirbcmrm

• 16.0 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Limited 6.7L V8 DIESEL Automatic 10 Speed
  Added Aug 2024 • 16 Fuel-ups

  Property of mwattack

• 12.9 Avg MPG

• F350 Calypso

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added Apr 2022 • 154 Fuel-ups

  Property of ryanwood94

• 12.6 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

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Jul 2022 • 147 Fuel-ups

  Property of wileycrew

• 13.0 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Jul 2023 • 66 Fuel-ups

  Property of sobermpg

• 17.7 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

• 2021 F-350 7.3L Tremor

  2021 Ford F-350 Super Duty Lariat 7.3L V8 GAS Automatic 10 Speed
  Added May 2021 • 156 Fuel-ups

  Property of bones_22

• 10.1 Avg MPG

• 2021 F-350 Super Duty

  2021 Ford F-350 Super Duty Limited 6.7L V8 DIESEL Automatic 10 Speed
  Added Jul 2021 • 122 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 • 153 Fuel-ups

  Property of mathew291

• 9.3 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

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