Based on data from 89 vehicles, 6,397 fuel-ups and 2,210,332 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 (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 34 outliers (0.53%) removed.

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

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• 21 F-350

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added Apr 2021 • 274 Fuel-ups

  Property of MudMann94

• 14.4 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added May 2023 • 128 Fuel-ups

  Property of FFX5OH

• 16.3 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty XL 6.2L V8 FLEX Automatic 10 Speed
  Added Mar 2023 • 224 Fuel-ups

  Property of Rnadeau

• 10.9 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Limited 6.7L V8 DIESEL Automatic 10 Speed
  Added Aug 2024 • 18 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 Dec 2021 • 40 Fuel-ups

  Property of edirbcmrm

• 16.0 Avg MPG

• My F-350 Super Duty

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

  Property of MontanaRusd

• 14.2 Avg MPG

• F350 Calypso

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added Apr 2022 • 155 Fuel-ups

  Property of ryanwood94

• 12.6 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 • 160 Fuel-ups

  Property of bones_22

• 10.2 Avg MPG

• ‘21 Ford F-450 Platinum

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added Jan 2022 • 45 Fuel-ups

  Property of 450Ford

• 11.9 Avg MPG

• 2022 F-350 work truck

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

  Property of phatboy5015

• 9.2 Avg MPG

• Tremor

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added May 2021 • 159 Fuel-ups

  Property of DrSpeed

• 13.6 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 7.3L V8 GAS Automatic 10 Speed
  Added Jan 2021 • 337 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 • 46 Fuel-ups

  Property of JonInVA

• 13.5 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty XLT 6.7L V8 DIESEL Automatic 10 Speed
  Added Mar 2022 • 943 Fuel-ups

  Property of acedbs44

• 8.4 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Jul 2022 • 148 Fuel-ups

  Property of wileycrew

• 13.0 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added Mar 2022 • 98 Fuel-ups

  Property of clcsmith78

• 14.4 Avg MPG

• 2021 F-350 Tremor

  2021 Ford F-350 Super Duty King Ranch 6.7L V8 DIESEL Automatic 10 Speed
  Added Mar 2021 • 155 Fuel-ups

  Property of Miket54

• 15.2 Avg MPG

• 2021 F-350 Super Duty

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

  Property of dslbvr

• 15.1 Avg MPG

• New BCI CSU

  2021 Ford F-350 Super Duty XL 6.2L V8 FLEX Automatic 10 Speed
  Added Dec 2022 • 154 Fuel-ups

  Property of mathew291

• 9.3 Avg MPG

• Shark

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Aug 2021 • 112 Fuel-ups

  Property of ksaff

• 13.4 Avg MPG

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