Based on data from 53 vehicles, 902 fuel-ups and 319,165 miles of driving, the 2021 Ram 3500 gets a combined Avg MPG of 11.33 with a 0.26 MPG margin of error.

Any Engine Type 6.4L V8 GAS (6) 6.7L L6 DIESEL (47) Any Body Style Standard Cab Pickup (1) Crew Cab Pickup (9) Cab & Chassis (1) Extended Crew Cab Pickup (4) Any Submodel SLT (1) Laramie Limited (2) Laramie Longhorn (4) Tradesman (5) Big Horn (7) Limited (10) Laramie (24)

Below you can see a distribution of the fuel-ups with 9 outliers (0.99%) removed.

Following shows the average MPG of each of the 53 vehicles in the system.

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• My 3500

  2021 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2021 • 36 Fuel-ups

  Property of Swag44w

• 9.7 Avg MPG

• My 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2021 • 20 Fuel-ups

  Property of moveitwhite

• 12.7 Avg MPG

• 2021 Ram 3500

  2021 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed Cab & Chassis
  Added May 2021 • 105 Fuel-ups

  Property of jcolbert74

• 10.4 Avg MPG

• My 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2021 • 7 Fuel-ups

  Property of got_traction

• 15.8 Avg MPG

• My 3500

  2021 Ram 3500 Laramie 6.4L V8 GAS Automatic 6 Speed
  Added Feb 2021 • 24 Fuel-ups

  Property of gryver

• 11.0 Avg MPG

• My 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2021 • 18 Fuel-ups

  Property of lazer_beem

• 14.9 Avg MPG

• My 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2021 • 29 Fuel-ups

  Property of tvahey

• 9.9 Avg MPG

• Beast

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added May 2021 • 18 Fuel-ups

  Property of samona

• 13.5 Avg MPG

• My 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2021 • 17 Fuel-ups

  Property of 2tuff

• 15.1 Avg MPG

• Ram 3500

  2021 Ram 3500 Laramie 6.4L V8 GAS Automatic 8 Speed
  Added Apr 2021 • 28 Fuel-ups

  Property of tmkrunner

• 9.3 Avg MPG

• My 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2021 • 54 Fuel-ups

  Property of Fathead

• 10.7 Avg MPG

• Ram 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Aug 2021 • 4 Fuel-ups

  Property of hbwatson

• 14.1 Avg MPG

• Ruby

  2021 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Aug 2021 • 12 Fuel-ups

  Property of HomeyHD

• 14.4 Avg MPG

• My 3500

  2021 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2021 • 10 Fuel-ups

  Property of rsabol77

• 11.9 Avg MPG

• '21 Ram

  2021 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jan 2021 • 27 Fuel-ups

  Property of bfs673

• 14.4 Avg MPG

• White Riot

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

  Property of b16gsr

• 9.6 Avg MPG

• My 3500

  2021 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2021 • 18 Fuel-ups

  Property of Brett81

• 17.1 Avg MPG

• Silver bullet

  2021 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2021 • 25 Fuel-ups

  Property of pls313

• 15.0 Avg MPG

• Ram 3500

  2021 Ram 3500 Laramie Limited 6.4L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Mar 2021 • 53 Fuel-ups

  Property of TRMNTR

• 12.6 Avg MPG

• My 3500

  2021 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2021 • 33 Fuel-ups

  Property of CJMaurer1

• 12.4 Avg MPG

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