Based on data from 89 vehicles, 6,715 fuel-ups and 2,326,711 miles of driving, the 2021 Ford F-350 Super Duty gets a combined Avg MPG of 12.21 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 (21) Cab & Chassis - Crew Cab (2) Any Submodel XL (5) Limited (6) King Ranch (9) XLT (12) Platinum (15) Lariat (41) Other (1)

Below you can see a distribution of the fuel-ups with 33 outliers (0.49%) removed.

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

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• Black Beauty

  2021 Ford F-350 Super Duty Limited 6.7L V8 DIESEL Automatic 10 Speed
  Added Feb 2023 • 24 Fuel-ups

  Property of cramil

• 14.3 Avg MPG

• F350

  2021 Ford F-350 Super Duty XLT 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Jan 2023 • 79 Fuel-ups

  Property of fisenberg13

• 14.4 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty XLT 7.3L V8 GAS Automatic 10 Speed
  Added Jun 2023 • 43 Fuel-ups

  Property of GoldAsh

• 10.9 Avg MPG

• Blue Streak

  2021 Ford F-350 Super Duty XLT 6.7L V8 DIESEL Automatic 10 Speed
  Added Apr 2021 • 35 Fuel-ups

  Property of jdaniels0357

• 14.7 Avg MPG

• F350 Tremor

  2021 Ford F-350 Super Duty Lariat 7.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Jan 2021 • 97 Fuel-ups

  Property of S4Lee

• 11.8 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Limited 6.7L V8 DIESEL Automatic 10 Speed
  Added Aug 2024 • 25 Fuel-ups

  Property of mwattack

• 12.9 Avg MPG

• 2021 F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Feb 2021 • 182 Fuel-ups

  Property of ScrewStang

• 16.6 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Nov 2024 • 14 Fuel-ups

  Property of mdun25

• 14.1 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 • 161 Fuel-ups

  Property of bones_22

• 10.2 Avg MPG

• 2021 F-350 Super Duty

  2021 Ford F-350 Super Duty Limited 6.7L V8 DIESEL Automatic 10 Speed
  Added Jul 2021 • 129 Fuel-ups

  Property of dslbvr

• 15.2 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 7.3L V8 GAS Automatic 10 Speed
  Added Jan 2021 • 346 Fuel-ups

  Property of Laddy_03

• 7.6 Avg MPG

• Winnipeg

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

  Property of jayember

• 10.2 Avg MPG

• Atlas

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Mar 2021 • 69 Fuel-ups

  Property of mikejvolz

• 14.6 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 • 81 Fuel-ups

  Property of brucecarden

• 16.6 Avg MPG

• 2021 Ford F-350

  2021 Ford F-350 Super Duty XLT 6.7L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Sep 2021 • 94 Fuel-ups

  Property of sptexas

• 11.7 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Sep 2022 • 105 Fuel-ups

  Property of rangersea

• 15.7 Avg MPG

• Das Truck

  2021 Ford F-350 Super Duty Platinum 6.7L V8 DIESEL Automatic 10 Speed
  Added Apr 2021 • 47 Fuel-ups

  Property of JonInVA

• 13.4 Avg MPG

• F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 6.7L V8 DIESEL Automatic 10 Speed
  Added Mar 2021 • 30 Fuel-ups

  Property of speezer

• 11.6 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 • 106 Fuel-ups

  Property of PGEduardo

• 13.7 Avg MPG

• My F-350 Super Duty

  2021 Ford F-350 Super Duty Lariat 7.3L V8 GAS Automatic 10 Speed
  Added Jul 2021 • 214 Fuel-ups

  Property of ladenburgm

• 9.1 Avg MPG

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