Based on data from 85 vehicles, 5,176 fuel-ups and 1,773,592 miles of driving, the 2021 Ford F-350 Super Duty gets a combined Avg MPG of 12.27 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 (0.46%) removed.

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

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• New PU

  2021 Ford F-350 Super Duty Platinum 7.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Feb 2024 • 25 Fuel-ups

  Property of werickson

• 9.0 Avg MPG

• 2021 F350

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Aug 2022 • 71 Fuel-ups

  Property of cjhofer

• 12.8 Avg MPG

• Sierra F-350

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added Jan 2021 • 251 Fuel-ups

  Property of SierraRider

• 13.9 Avg MPG

• Blue Streak

  2021 Ford F-350 Super Duty XLT 6.7L V8 DIESEL Automatic 10 Speed
  Added Apr 2021 • 32 Fuel-ups

  Property of jdaniels0357

• 12.1 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

• 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

• Atlas

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Mar 2021 • 53 Fuel-ups

  Property of mikejvolz

• 14.4 Avg MPG

• Black Beauty

  2021 Ford F-350 Super Duty Limited 6.7L V8 DIESEL Automatic 10 Speed
  Added Feb 2023 • 19 Fuel-ups

  Property of cramil

• 14.2 Avg MPG

• F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Mar 2021 • 24 Fuel-ups

  Property of speezer

• 11.1 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

• 2021 F-350 Super Duty

  2021 Ford F-350 Super Duty King Ranch 6.7L V8 DIESEL Automatic 10 Speed
  Added Sep 2021 • 29 Fuel-ups

  Property of btdouthit

• 12.1 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

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Jun 2023 • 5 Fuel-ups

  Property of DMacc350

• 17.8 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added May 2023 • 4 Fuel-ups

  Property of gray-wolf

• 17.8 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty King Ranch 6.7L V8 DIESEL Automatic 10 Speed
  Added Jan 2021 • 129 Fuel-ups

  Property of 4x4livn

• 12.8 Avg MPG

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