Based on data from 84 vehicles, 6,116 fuel-ups and 2,260,018 miles of driving, the 2021 Ram 3500 gets a combined Avg MPG of 11.95 with a 0.11 MPG margin of error.

Any Engine Type 6.4L V8 GAS (8) 6.7L L6 DIESEL (71) Any Body Style Standard Cab Pickup (2) Crew Cab Pickup (12) Cab & Chassis (1) Extended Crew Cab Pickup (5) Any Submodel Lone Star (1) Laramie Longhorn (6) Tradesman (14) Big Horn (15) Limited (16) Laramie (32)

Below you can see a distribution of the fuel-ups with 113 outliers (1.81%) removed.

Following shows the average MPG of each of the 84 vehicles in the system.

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• My 3500

  2021 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2022 • 74 Fuel-ups

  Property of Koz24

• 15.4 Avg MPG

• White Riot

  2021 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2021 • 69 Fuel-ups

  Property of b16gsr

• 10.2 Avg MPG

• Goliath

  2021 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Sep 2021 • 43 Fuel-ups

  Property of SoonerFan

• 11.0 Avg MPG

• 21 3500

  2021 Ram 3500 Tradesman 6.4L V8 GAS Automatic 8 Speed
  Added May 2021 • 150 Fuel-ups

  Property of robigarr

• 9.1 Avg MPG

• My 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2021 • 155 Fuel-ups

  Property of lazer_beem

• 14.5 Avg MPG

• BBJ

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2021 • 194 Fuel-ups

  Property of tcorno43

• 10.5 Avg MPG

• My 3500

  2021 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2021 • 77 Fuel-ups

  Property of akash13

• 13.6 Avg MPG

• My 3500

  2021 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2024 • 7 Fuel-ups

  Property of jrmj

• 16.4 Avg MPG

• FLYNP1G-2.0

  2021 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2021 • 176 Fuel-ups

  Property of MikeRueve

• 14.0 Avg MPG

• Big Bubba 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2021 • 106 Fuel-ups

  Property of rcfl33man

• 15.0 Avg MPG

• My 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2021 • 200 Fuel-ups

  Property of moveitwhite

• 13.0 Avg MPG

• BBJ DEF

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2021 • 37 Fuel-ups

  Property of tcorno43

• 457.3 Avg MPG

• 2021 Ram 3500

  2021 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2021 • 89 Fuel-ups

  Property of hirschjn

• 12.4 Avg MPG

• My 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2023 • 48 Fuel-ups

  Property of GentlemanFarmer

• 12.6 Avg MPG

• RAM 3500 Limited

  2021 Ram 3500 Limited
  Added Apr 2021 • 109 Fuel-ups

  Property of dpeters116

• 11.2 Avg MPG

• White Dually

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jun 2021 • 107 Fuel-ups

  Property of goldminer

• 11.6 Avg MPG

• 2021 Ram 3500

  2021 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2021 • 90 Fuel-ups

  Property of DeweyWilliams

• 9.6 Avg MPG

• Billet Beast

  2021 Ram 3500 Limited
  Added Nov 2021 • 45 Fuel-ups

  Property of CompleteCustoms

• 13.9 Avg MPG

• My 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2021 • 114 Fuel-ups

  Property of tvahey

• 10.5 Avg MPG

• Ram 3500

  2021 Ram 3500 Laramie 6.4L V8 GAS Automatic 8 Speed
  Added Apr 2021 • 84 Fuel-ups

  Property of tmkrunner

• 9.4 Avg MPG

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