Based on data from 89 vehicles, 6,400 fuel-ups and 2,211,137 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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• 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

• 2021 F-350 Tremor

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Mar 2023 • 3 Fuel-ups

  Property of Keagan-1990

• 14.5 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 7.3L V8 GAS Automatic 10 Speed
  Added Mar 2023 • 7 Fuel-ups

  Property of 21F350

• 13.9 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Aug 2021 • 73 Fuel-ups

  Property of Captcohen

• 11.6 Avg MPG

• Betty White

  2021 Ford F-350 Super Duty Lariat 7.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added May 2022 • 17 Fuel-ups

  Property of Reke208

• 10.7 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Jul 2021 • 49 Fuel-ups

  Property of HeathL

• 16.5 Avg MPG

• Patty the Plati

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added Nov 2022 • 13 Fuel-ups

  Property of spikeyy5143

• 13.9 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty XLT 6.7L V8 DIESEL Automatic 10 Speed
  Added Apr 2022 • 32 Fuel-ups

  Property of RSV4PILOT

• 9.9 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty King Ranch 7.3L V8 GAS Automatic 10 Speed
  Added Apr 2021 • 20 Fuel-ups

  Property of xrayman

• 13.2 Avg MPG

• 21 F350 king Ranch Powerstroke

  2021 Ford F-350 Super Duty King Ranch 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Mar 2022 • 29 Fuel-ups

  Property of RamMan88

• 15.8 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added May 2022 • 18 Fuel-ups

  Property of Kent_Windsor

• 15.0 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added May 2022 • 14 Fuel-ups

  Property of scottmaurice

• 17.6 Avg MPG

• F-350

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Apr 2021 • 54 Fuel-ups

  Property of BigJon

• 15.5 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty King Ranch 6.7L V8 DIESEL Automatic 10 Speed
  Added May 2021 • 12 Fuel-ups

  Property of jf09

• 12.4 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Mar 2021 • 51 Fuel-ups

  Property of Apparition

• 13.1 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added Apr 2021 • 89 Fuel-ups

  Property of 08TNytro40

• 17.1 Avg MPG

• F350

  2021 Ford F-350 Super Duty Limited 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Mar 2021 • 23 Fuel-ups

  Property of Edphonse

• 14.9 Avg MPG

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