Based on data from 88 vehicles, 5,995 fuel-ups and 2,066,835 miles of driving, the 2021 Ford F-350 Super Duty gets a combined Avg MPG of 12.18 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 (13) Platinum (15) Lariat (39) Other (1)

Below you can see a distribution of the fuel-ups with 32 outliers (0.53%) removed.

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

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• Atlas

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Mar 2021 • 61 Fuel-ups

  Property of mikejvolz

• 14.5 Avg MPG

• 2021 F-350 Super Duty

  2021 Ford F-350 Super Duty King Ranch 6.7L V8 DIESEL Automatic 10 Speed
  Added Sep 2021 • 30 Fuel-ups

  Property of btdouthit

• 12.7 Avg MPG

• F350

  2021 Ford F-350 Super Duty XLT 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Jan 2023 • 60 Fuel-ups

  Property of fisenberg13

• 13.9 Avg MPG

• New PU

  2021 Ford F-350 Super Duty Platinum 7.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Feb 2024 • 29 Fuel-ups

  Property of werickson

• 8.9 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 • 75 Fuel-ups

  Property of brucecarden

• 16.5 Avg MPG

• Blue Streak

  2021 Ford F-350 Super Duty XLT 6.7L V8 DIESEL Automatic 10 Speed
  Added Apr 2021 • 34 Fuel-ups

  Property of jdaniels0357

• 13.7 Avg MPG

• Black Beauty

  2021 Ford F-350 Super Duty Limited 6.7L V8 DIESEL Automatic 10 Speed
  Added Feb 2023 • 21 Fuel-ups

  Property of cramil

• 14.2 Avg MPG

• Winnipeg

  2021 Ford F-350 Super Duty XLT 6.2L V8 FLEX Automatic 10 Speed
  Added Mar 2024 • 4 Fuel-ups

  Property of jayember

• 12.0 Avg MPG

• 2021 F350

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Aug 2022 • 75 Fuel-ups

  Property of cjhofer

• 13.4 Avg MPG

• 91622068

  2021 Ford F-350 Super Duty
  Added Mar 2024 • 35 Fuel-ups

  Property of tireoutlet

• 13.1 Avg MPG

• Grey Goose

  2021 Ford F-350 Super Duty XL 7.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Jun 2021 • 15 Fuel-ups

  Property of Marcm157

• 10.9 Avg MPG

• My F-350 Super Duty

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

  Property of copperglobe

• 16.1 Avg MPG

• Ford 350

  2021 Ford F-350 Super Duty Lariat 6.2L V8 FLEX Automatic 10 Speed
  Added May 2024 • 15 Fuel-ups

  Property of bubbabenson

• 15.6 Avg MPG

• F - 350

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Mar 2021 • 141 Fuel-ups

  Property of Hunter2142

• 15.0 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Apr 2023 • 9 Fuel-ups

  Property of chrisromano1993

• 16.7 Avg MPG

• HenryII

  2021 Ford F-350 Super Duty XLT 6.7L V8 DIESEL Automatic Cab & Chassis - Crew Cab
  Added Oct 2023 • 3 Fuel-ups

  Property of PatterK64

• 10.7 Avg MPG

• Chariot

  2021 Ford F-350 Super Duty XLT 6.7L V8 DIESEL Automatic 10 Speed
  Added Sep 2023 • 6 Fuel-ups

  Property of Toreador_Diesel

• 17.0 Avg MPG

• 350 Superduty SRW

  2021 Ford F-350 Super Duty Limited 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Jun 2023 • 9 Fuel-ups

  Property of Wldrup

• 11.9 Avg MPG

• 2021 F-350

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Nov 2021 • 95 Fuel-ups

  Property of AJMonty

• 13.1 Avg MPG

• Tremor

  2021 Ford F-350 Super Duty Lariat 7.3L V8 GAS Automatic 10 Speed
  Added Dec 2021 • 95 Fuel-ups

  Property of suneater

• 12.9 Avg MPG

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