Based on data from 178 vehicles, 18,069 fuel-ups and 5,224,134 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 (62) 6.7L L6 DIESEL (112) Any Body Style Crew Cab Pickup (43) Extended Crew Cab Pickup (5) Standard Cab Pickup (1) Cab & Chassis - Crew Cab (1) Any Submodel Lone Star (2) Laramie Longhorn (3) Power Wagon (22) Limited (25) Big Horn (36) Tradesman (36) Laramie (53) Other (1)

Below you can see a distribution of the fuel-ups with 223 outliers (1.22%) removed.

Following shows the average MPG of each of the 178 vehicles in the system.

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• Beast the Blue Truck

  2021 Ram 2500 Tradesman 6.4L V8 GAS Automatic 8 Speed
  Added Jan 2021 • 157 Fuel-ups

  Property of alevyinroc

• 10.2 Avg MPG

• My 2500

  2021 Ram 2500 Power Wagon 6.4L V8 GAS Automatic 8 Speed
  Added Aug 2023 • 1765 Fuel-ups

  Property of dksecret2

• 13.5 Avg MPG

• My 2500

  2021 Ram 2500 Power Wagon 6.4L V8 GAS Automatic 8 Speed
  Added Feb 2021 • 356 Fuel-ups

  Property of blenherr

• 12.3 Avg MPG

• Travis’ Power Wagon

  2021 Ram 2500 Power Wagon 6.4L V8 GAS Automatic 8 Speed
  Added Mar 2021 • 248 Fuel-ups

  Property of trav26_15

• 11.4 Avg MPG

• 2021 Mo’betta

  2021 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2024 • 57 Fuel-ups

  Property of denpannoel

• 13.1 Avg MPG

• 2021 Ram

  2021 Ram 2500 Tradesman 6.4L V8 GAS Automatic 8 Speed
  Added Dec 2021 • 45 Fuel-ups

  Property of TucsonJoe

• 20.9 Avg MPG

• Casper

  2021 Ram 2500 Tradesman 6.4L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jul 2025 • 39 Fuel-ups

  Property of Uct0140

• 9.8 Avg MPG

• RAM 2500

  2021 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2021 • 90 Fuel-ups

  Property of Jahwei

• 16.0 Avg MPG

• 2021 RAM 2500 Big Horn

  2021 Ram 2500 Big Horn 6.4L V8 GAS Automatic 6 Speed
  Added Aug 2021 • 411 Fuel-ups

  Property of Mar-Kark

• 15.5 Avg MPG

• 2021 RAM

  2021 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2022 • 477 Fuel-ups

  Property of djtaylor

• 13.7 Avg MPG

• Ram 2500

  2021 Ram 2500 Tradesman 6.4L V8 GAS Automatic 8 Speed
  Added Feb 2021 • 266 Fuel-ups

  Property of pdxa100

• 12.4 Avg MPG

• My 2500

  2021 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2021 • 177 Fuel-ups

  Property of ericja321

• 15.4 Avg MPG

• Ram 2021 2500

  2021 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2025 • 126 Fuel-ups

  Property of BrennanWalker

• 13.1 Avg MPG

• Toothless

  2021 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2021 • 242 Fuel-ups

  Property of ionatan83

• 15.0 Avg MPG

• Dodge

  2021 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2021 • 214 Fuel-ups

  Property of rdeepe

• 15.0 Avg MPG

• Snwwhte

  2021 Ram 2500 Tradesman 6.4L V8 GAS Automatic 8 Speed
  Added Oct 2021 • 165 Fuel-ups

  Property of ClamsJager

• 10.3 Avg MPG

• White Ram 2500

  2021 Ram 2500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2021 • 252 Fuel-ups

  Property of chimchim53

• 16.4 Avg MPG

• 2021 RAM 2500 Cummins

  2021 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2021 • 156 Fuel-ups

  Property of dickdeason

• 14.8 Avg MPG

• Hank

  2021 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jun 2022 • 94 Fuel-ups

  Property of jeffham01

• 16.4 Avg MPG

• Udyret

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

  Property of adampaulsen

• 15.3 Avg MPG

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