Based on data from 81 vehicles, 5,262 fuel-ups and 1,929,813 miles of driving, the 2021 Ram 3500 gets a combined Avg MPG of 11.99 with a 0.12 MPG margin of error.

Any Engine Type 6.4L V8 GAS (8) 6.7L L6 DIESEL (68) 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 (13) Big Horn (15) Limited (16) Laramie (30)

Below you can see a distribution of the fuel-ups with 90 outliers (1.68%) removed.

Following shows the average MPG of each of the 81 vehicles in the system.

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• RAM 3500 Larimie

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2023 • 10 Fuel-ups

  Property of mdg777

• 16.1 Avg MPG

• Billet Beast

  2021 Ram 3500 Limited
  Added Nov 2021 • 40 Fuel-ups

  Property of CompleteCustoms

• 13.7 Avg MPG

• My 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2021 • 138 Fuel-ups

  Property of lazer_beem

• 14.6 Avg MPG

• My 3500

  2021 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2022 • 60 Fuel-ups

  Property of Koz24

• 15.4 Avg MPG

• Big Bubba 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2021 • 95 Fuel-ups

  Property of rcfl33man

• 14.8 Avg MPG

• FLYNP1G-2.0

  2021 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2021 • 139 Fuel-ups

  Property of MikeRueve

• 14.0 Avg MPG

• 21 3500

  2021 Ram 3500 Tradesman 6.4L V8 GAS Automatic 8 Speed
  Added May 2021 • 143 Fuel-ups

  Property of robigarr

• 9.1 Avg MPG

• 2021 3500

  2021 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2021 • 50 Fuel-ups

  Property of MR4WLR

• 12.9 Avg MPG

• My 3500

  2021 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2022 • 112 Fuel-ups

  Property of cam95

• 17.9 Avg MPG

• RAM 3500 Limited

  2021 Ram 3500 Limited
  Added Apr 2021 • 102 Fuel-ups

  Property of dpeters116

• 10.9 Avg MPG

• BBJ

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2021 • 168 Fuel-ups

  Property of tcorno43

• 10.4 Avg MPG

• 2021 Ram 3500

  2021 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2021 • 74 Fuel-ups

  Property of DeweyWilliams

• 9.9 Avg MPG

• Ram 3500 Lone Star

  2021 Ram 3500 Lone Star 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2022 • 27 Fuel-ups

  Property of Compujok

• 13.9 Avg MPG

• My 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2021 • 184 Fuel-ups

  Property of moveitwhite

• 12.6 Avg MPG

• Big Blue Dually HO

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2021 • 74 Fuel-ups

  Property of Jt_Hd

• 12.8 Avg MPG

• Tow pig

  2021 Ram 3500 Limited
  Added Oct 2022 • 14 Fuel-ups

  Property of Broussss

• 8.7 Avg MPG

• Ram 3500

  2021 Ram 3500 Big Horn 6.4L V8 GAS Automatic 8 Speed Standard Cab Pickup
  Added Nov 2021 • 28 Fuel-ups

  Property of davisben

• 12.3 Avg MPG

• White Dually

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jun 2021 • 84 Fuel-ups

  Property of goldminer

• 11.5 Avg MPG

• My 3500

  2021 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 8 Speed
  Added Feb 2022 • 111 Fuel-ups

  Property of jrector

• 11.7 Avg MPG

• Ram

  2021 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Aug 2022 • 36 Fuel-ups

  Property of Pkulpa

• 14.5 Avg MPG

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