Based on data from 173 vehicles, 14,837 fuel-ups and 4,269,144 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 160 outliers (1.07%) removed.

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

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• My 2500

  2021 Ram 2500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2021 • 71 Fuel-ups

  Property of KDubMega

• 16.0 Avg MPG

• SK Mega Limited

  2021 Ram 2500 Limited 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Apr 2021 • 105 Fuel-ups

  Property of skreutzb

• 17.3 Avg MPG

• Ram

  2021 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added May 2023 • 91 Fuel-ups

  Property of acbrown

• 14.0 Avg MPG

• 2021 Ram 2500

  2021 Ram 2500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2021 • 68 Fuel-ups

  Property of nyale1218

• 13.1 Avg MPG

• RAM 2500

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

  Property of BSRTNR1

• 16.3 Avg MPG

• Freedom Express

  2021 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jun 2021 • 122 Fuel-ups

  Property of Blkrvrbart

• 15.3 Avg MPG

• My 2500

  2021 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2022 • 70 Fuel-ups

  Property of king1988

• 14.9 Avg MPG

• 2500

  2021 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2021 • 109 Fuel-ups

  Property of offroadwonder

• 16.8 Avg MPG

• 2021 Ram 2500

  2021 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2022 • 97 Fuel-ups

  Property of Mx400ex1

• 16.8 Avg MPG

• My 2500

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

  Property of epster2

• 13.6 Avg MPG

• 21 Cummins (Gray Mare)

  2021 Ram 2500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2023 • 61 Fuel-ups

  Property of Sandhopper

• 17.0 Avg MPG

• White Ram 2500

  2021 Ram 2500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2021 • 208 Fuel-ups

  Property of chimchim53

• 16.7 Avg MPG

• RamRod

  2021 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2022 • 89 Fuel-ups

  Property of jasonw1976

• 14.4 Avg MPG

• Power Wagon

  2021 Ram 2500 Power Wagon 6.4L V8 GAS Automatic 8 Speed
  Added Aug 2021 • 228 Fuel-ups

  Property of ukrboy

• 12.0 Avg MPG

• Truck

  2021 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2021 • 87 Fuel-ups

  Property of adampaulsen

• 15.3 Avg MPG

• My 2500

  2021 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2022 • 111 Fuel-ups

  Property of East0352

• 14.6 Avg MPG

• 2021 Ram 2500 Laramie

  2021 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2021 • 81 Fuel-ups

  Property of av8eire

• 12.7 Avg MPG

• Ram 2500 CTD

  2021 Ram 2500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2021 • 107 Fuel-ups

  Property of rawskyb

• 13.6 Avg MPG

• 2021 2500 Laramie

  2021 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2021 • 77 Fuel-ups

  Property of tmisener

• 15.9 Avg MPG

• Ram 2500

  2021 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2021 • 230 Fuel-ups

  Property of Fig143

• 14.9 Avg MPG

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