Based on data from 173 vehicles, 14,998 fuel-ups and 4,316,772 miles of driving, the 2021 Ram 2500 gets a combined Avg MPG of 13.85 with a 0.06 MPG margin of error.

Any Engine Type 6.4L V8 GAS (61) 6.7L L6 DIESEL (108) Any Body Style Standard Cab Pickup (1) Crew Cab Pickup (41) Extended Crew Cab Pickup (6) Cab & Chassis - Crew Cab (1) Any Submodel Lone Star (2) Laramie Longhorn (3) Power Wagon (22) Limited (25) Tradesman (34) Big Horn (35) Laramie (51) Other (1)

Below you can see a distribution of the fuel-ups with 167 outliers (1.10%) removed.

Following shows the average MPG of each of the 173 vehicles in the system.

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• My 21 2500

  2021 Ram 2500 Tradesman 6.4L V8 GAS Automatic 6 Speed
  Added Aug 2022 • 227 Fuel-ups

  Property of beast02

• 12.1 Avg MPG

• My 2500

  2021 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2023 • 66 Fuel-ups

  Property of Echo4Bravo

• 19.2 Avg MPG

• My 2500

  2021 Ram 2500 Tradesman 6.4L V8 GAS Automatic 8 Speed
  Added Jun 2021 • 211 Fuel-ups

  Property of krisfx4

• 13.5 Avg MPG

• 2021 2500 Megacab

  2021 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2021 • 186 Fuel-ups

  Property of TDIzoomzoom

• 17.0 Avg MPG

• 2021 Ram 2500

  2021 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 8 Speed
  Added Jun 2021 • 75 Fuel-ups

  Property of crossjf

• 18.7 Avg MPG

• Powerwagon 2500 HD

  2021 Ram 2500 Power Wagon 6.4L V8 GAS Automatic 8 Speed
  Added Aug 2022 • 55 Fuel-ups

  Property of ssucritter

• 11.3 Avg MPG

• 2021 Ram 2500

  2021 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2022 • 99 Fuel-ups

  Property of Mx400ex1

• 16.8 Avg MPG

• 2021 RAM

  2021 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2022 • 339 Fuel-ups

  Property of djtaylor

• 13.5 Avg MPG

• My 2500

  2021 Ram 2500 Power Wagon 6.4L V8 GAS Automatic 8 Speed
  Added Feb 2021 • 263 Fuel-ups

  Property of blenherr

• 12.4 Avg MPG

• 21 Cummins (Gray Mare)

  2021 Ram 2500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2023 • 62 Fuel-ups

  Property of Sandhopper

• 17.0 Avg MPG

• My 2500

  2021 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2021 • 224 Fuel-ups

  Property of TBRogers27

• 16.8 Avg MPG

• 2021 Ram

  2021 Ram 2500 Tradesman 6.4L V8 GAS Automatic 8 Speed
  Added Dec 2021 • 24 Fuel-ups

  Property of TucsonJoe

• 21.1 Avg MPG

• My 2500

  2021 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2022 • 112 Fuel-ups

  Property of East0352

• 14.7 Avg MPG

• Black Betty

  2021 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2021 • 215 Fuel-ups

  Property of ramloco1

• 17.8 Avg MPG

• Ram

  2021 Ram 2500 Limited 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Feb 2021 • 130 Fuel-ups

  Property of jdsurma

• 18.3 Avg MPG

• My 2500

  2021 Ram 2500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2023 • 96 Fuel-ups

  Property of KrispyMPG

• 14.2 Avg MPG

• My MegaCab

  2021 Ram 2500 Laramie 6.4L V8 GAS Automatic 6 Speed
  Added Aug 2024 • 16 Fuel-ups

  Property of ianspecs

• 12.8 Avg MPG

• Dodge

  2021 Ram 2500 Big Horn 6.7L L6 DIESEL Crew Cab Pickup
  Added Oct 2021 • 179 Fuel-ups

  Property of rdeepe

• 15.2 Avg MPG

• Power Wagon

  2021 Ram 2500 Power Wagon 6.4L V8 GAS Automatic 8 Speed
  Added Apr 2021 • 281 Fuel-ups

  Property of swordfish2007

• 13.0 Avg MPG

• My 2500

  2021 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2022 • 74 Fuel-ups

  Property of king1988

• 15.2 Avg MPG

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