Based on data from 84 vehicles, 6,063 fuel-ups and 2,239,783 miles of driving, the 2021 Ram 3500 gets a combined Avg MPG of 11.96 with a 0.11 MPG margin of error.

Any Engine Type 6.4L V8 GAS (8) 6.7L L6 DIESEL (71) Any Body Style Standard Cab Pickup (2) Crew Cab Pickup (12) Cab & Chassis (1) Extended Crew Cab Pickup (5) Any Submodel Lone Star (1) Laramie Longhorn (6) Tradesman (14) Big Horn (15) Limited (16) Laramie (32)

Below you can see a distribution of the fuel-ups with 111 outliers (1.80%) removed.

Following shows the average MPG of each of the 84 vehicles in the system.

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• Silver bullet

  2021 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2021 • 276 Fuel-ups

  Property of pls313

• 15.2 Avg MPG

• My 3500

  2021 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2021 • 515 Fuel-ups

  Property of saulG96

• 12.3 Avg MPG

• Ram 3500

  2021 Ram 3500 Limited
  Added Mar 2021 • 385 Fuel-ups

  Property of TRMNTR

• 11.8 Avg MPG

• BBJ

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2021 • 194 Fuel-ups

  Property of tcorno43

• 10.5 Avg MPG

• My 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2024 • 14 Fuel-ups

  Property of BarMD

• 18.2 Avg MPG

• 2021 3500

  2021 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2021 • 60 Fuel-ups

  Property of MR4WLR

• 13.1 Avg MPG

• Goliath

  2021 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Sep 2021 • 42 Fuel-ups

  Property of SoonerFan

• 11.0 Avg MPG

• My 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 8 Speed
  Added Oct 2024 • 125 Fuel-ups

  Property of errosfitz

• 10.0 Avg MPG

• My 3500

  2021 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2021 • 77 Fuel-ups

  Property of akash13

• 13.6 Avg MPG

• My 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2021 • 385 Fuel-ups

  Property of Fathead

• 10.5 Avg MPG

• My 3500

  2021 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2022 • 38 Fuel-ups

  Property of KGBoettcher

• 11.4 Avg MPG

• White Riot

  2021 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2021 • 68 Fuel-ups

  Property of b16gsr

• 10.3 Avg MPG

• My 3500

  2021 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2024 • 7 Fuel-ups

  Property of jrmj

• 16.4 Avg MPG

• My 3500

  2021 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2021 • 245 Fuel-ups

  Property of Brett81

• 15.3 Avg MPG

• ‘21 RAM 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2021 • 114 Fuel-ups

  Property of T-Ball

• 14.1 Avg MPG

• FLYNP1G-2.0

  2021 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2021 • 176 Fuel-ups

  Property of MikeRueve

• 14.0 Avg MPG

• My 3500

  2021 Ram 3500 Limited 6.7L L6 DIESEL Automatic 8 Speed
  Added Feb 2021 • 105 Fuel-ups

  Property of mradamja

• 11.9 Avg MPG

• Big Bubba 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2021 • 106 Fuel-ups

  Property of rcfl33man

• 15.0 Avg MPG

• My 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2021 • 154 Fuel-ups

  Property of lazer_beem

• 14.5 Avg MPG

• My 3500

  2021 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2022 • 73 Fuel-ups

  Property of Koz24

• 15.4 Avg MPG

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