Based on data from 175 vehicles, 15,741 fuel-ups and 4,537,969 miles of driving, the 2021 Ram 2500 gets a combined Avg MPG of 13.84 with a 0.06 MPG margin of error.

Any Engine Type 6.4L V8 GAS (60) 6.7L L6 DIESEL (111) Any Body Style Standard Cab Pickup (1) Crew Cab Pickup (42) Extended Crew Cab Pickup (6) Cab & Chassis - Crew Cab (1) Any Submodel Lone Star (2) Laramie Longhorn (3) Power Wagon (22) Limited (25) Big Horn (35) Tradesman (35) Laramie (52) Other (1)

Below you can see a distribution of the fuel-ups with 186 outliers (1.17%) removed.

Following shows the average MPG of each of the 175 vehicles in the system.

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• My 2500

  2021 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Oct 2024 • 17 Fuel-ups

  Property of Colinmayer

• 14.7 Avg MPG

• White Ram 2500

  2021 Ram 2500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2021 • 214 Fuel-ups

  Property of chimchim53

• 16.7 Avg MPG

• Ram 2500 CTD

  2021 Ram 2500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2021 • 114 Fuel-ups

  Property of rawskyb

• 13.7 Avg MPG

• My 2500

  2021 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2021 • 211 Fuel-ups

  Property of itguy97223

• 13.9 Avg MPG

• My 2500

  2021 Ram 2500 Power Wagon 6.4L V8 GAS Automatic 8 Speed
  Added Aug 2023 • 1353 Fuel-ups

  Property of dksecret2

• 13.5 Avg MPG

• Toothless

  2021 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2021 • 204 Fuel-ups

  Property of ionatan83

• 14.9 Avg MPG

• Power Wagon

  2021 Ram 2500 Power Wagon 6.4L V8 GAS Automatic 8 Speed
  Added Apr 2021 • 297 Fuel-ups

  Property of swordfish2007

• 12.9 Avg MPG

• My 2500

  2021 Ram 2500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2023 • 102 Fuel-ups

  Property of KrispyMPG

• 14.2 Avg MPG

• My 2500

  2021 Ram 2500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2021 • 212 Fuel-ups

  Property of KKeesee

• 15.8 Avg MPG

• 2500

  2021 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2021 • 121 Fuel-ups

  Property of offroadwonder

• 16.5 Avg MPG

• RAM 2500

  2021 Ram 2500 Limited 6.4L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Oct 2021 • 118 Fuel-ups

  Property of Neophyteramguy

• 12.9 Avg MPG

• Freedom Express

  2021 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jun 2021 • 124 Fuel-ups

  Property of Blkrvrbart

• 15.4 Avg MPG

• 2021 Ram

  2021 Ram 2500 Tradesman 6.4L V8 GAS Automatic 8 Speed
  Added Dec 2021 • 30 Fuel-ups

  Property of TucsonJoe

• 20.2 Avg MPG

• Ram

  2021 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added May 2023 • 95 Fuel-ups

  Property of acbrown

• 14.3 Avg MPG

• Udyret

  2021 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2021 • 96 Fuel-ups

  Property of adampaulsen

• 15.3 Avg MPG

• Templar 2021 75th Anniversary Power Wagon

  2021 Ram 2500 Power Wagon 6.4L V8 GAS Automatic 8 Speed
  Added Jan 2023 • 103 Fuel-ups

  Property of TemplarAZ

• 11.2 Avg MPG

• 2021 RAM 2500 Big Horn

  2021 Ram 2500 Big Horn 6.4L V8 GAS Automatic 6 Speed
  Added Aug 2021 • 325 Fuel-ups

  Property of Mar-Kark

• 15.4 Avg MPG

• Ram 2021 2500

  2021 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2025 • 14 Fuel-ups

  Property of BrennanWalker

• 14.0 Avg MPG

• My 2500

  2021 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2023 • 79 Fuel-ups

  Property of Echo4Bravo

• 18.9 Avg MPG

• My 21 2500

  2021 Ram 2500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2022 • 251 Fuel-ups

  Property of beast02

• 12.1 Avg MPG

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