Based on data from 88 vehicles, 6,756 fuel-ups and 2,344,163 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 34 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 XLT 6.7L V8 DIESEL Automatic 10 Speed
  Added Mar 2022 • 986 Fuel-ups

  Property of acedbs44

• 8.6 Avg MPG

• F350 Tremor

  2021 Ford F-350 Super Duty Lariat 7.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Jan 2021 • 98 Fuel-ups

  Property of S4Lee

• 11.7 Avg MPG

• 21 F-350

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added Apr 2021 • 292 Fuel-ups

  Property of MudMann94

• 14.4 Avg MPG

• Beastie

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Mar 2021 • 110 Fuel-ups

  Property of cordkrisr

• 13.4 Avg MPG

• My F-350 Super Duty

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

  Property of mdun25

• 13.8 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 7.3L V8 GAS Automatic 10 Speed
  Added Jan 2021 • 354 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 • 49 Fuel-ups

  Property of JonInVA

• 13.4 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Jul 2023 • 85 Fuel-ups

  Property of sobermpg

• 17.5 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty XLT 7.3L V8 GAS Automatic 10 Speed
  Added Jun 2023 • 44 Fuel-ups

  Property of GoldAsh

• 10.9 Avg MPG

• 2021 F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 7.3L V8 GAS Automatic 10 Speed
  Added May 2021 • 106 Fuel-ups

  Property of Morbert

• 11.7 Avg MPG

• 2022 F-350 work truck

  2021 Ford F-350 Super Duty XL 7.3L V8 GAS Automatic 10 Speed
  Added Nov 2021 • 254 Fuel-ups

  Property of phatboy5015

• 9.2 Avg MPG

• New BCI CSU

  2021 Ford F-350 Super Duty XL 6.2L V8 FLEX Automatic 10 Speed
  Added Dec 2022 • 173 Fuel-ups

  Property of mathew291

• 9.2 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty XL 6.2L V8 FLEX Automatic 10 Speed
  Added Mar 2023 • 247 Fuel-ups

  Property of Rnadeau

• 10.8 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added May 2023 • 146 Fuel-ups

  Property of FFX5OH

• 16.4 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 • 181 Fuel-ups

  Property of GG350

• 13.5 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 • 162 Fuel-ups

  Property of bones_22

• 10.2 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Limited 6.7L V8 DIESEL Automatic 10 Speed
  Added Aug 2024 • 28 Fuel-ups

  Property of mwattack

• 13.0 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Jan 2021 • 224 Fuel-ups

  Property of GSmith_34

• 19.3 Avg MPG

• F350 Calypso

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added Apr 2022 • 174 Fuel-ups

  Property of ryanwood94

• 12.6 Avg MPG

• Tremor

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added May 2021 • 165 Fuel-ups

  Property of DrSpeed

• 13.6 Avg MPG

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