Based on data from 77 vehicles, 3,697 fuel-ups and 1,382,132 miles of driving, the 2021 Ram 3500 gets a combined Avg MPG of 11.82 with a 0.14 MPG margin of error.

Any Engine Type 6.4L V8 GAS (8) 6.7L L6 DIESEL (68) Any Body Style Standard Cab Pickup (2) Crew Cab Pickup (13) Cab & Chassis (2) Extended Crew Cab Pickup (5) Any Submodel SLT (1) Lone Star (1) Laramie Limited (4) Laramie Longhorn (6) Limited (12) Tradesman (12) Big Horn (14) Laramie (27)

Below you can see a distribution of the fuel-ups with 47 outliers (1.26%) removed.

Following shows the average MPG of each of the 77 vehicles in the system.

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• My 3500

  2021 Ram 3500 Laramie 6.4L V8 GAS Automatic 6 Speed
  Added Feb 2021 • 60 Fuel-ups

  Property of gryver

• 11.4 Avg MPG

• 21 3500

  2021 Ram 3500 Tradesman 6.4L V8 GAS Automatic 8 Speed
  Added May 2021 • 89 Fuel-ups

  Property of robigarr

• 9.1 Avg MPG

• My 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2021 • 138 Fuel-ups

  Property of moveitwhite

• 12.2 Avg MPG

• Big Red

  2021 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Dec 2022 • 10 Fuel-ups

  Property of PatriotJ

• 19.3 Avg MPG

• Billet Beast

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

  Property of CompleteCustoms

• 14.8 Avg MPG

• 2021 3500

  2021 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2021 • 33 Fuel-ups

  Property of MR4WLR

• 12.6 Avg MPG

• My 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2021 • 200 Fuel-ups

  Property of Fathead

• 10.6 Avg MPG

• HO Cummins 3500 Megacab SRW

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

  Property of toth

• 12.1 Avg MPG

• Silver bullet

  2021 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2021 • 135 Fuel-ups

  Property of pls313

• 14.8 Avg MPG

• Gypsy

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2021 • 74 Fuel-ups

  Property of budro3434

• 11.5 Avg MPG

• Ram 3500

  2021 Ram 3500 Big Horn 6.4L V8 GAS Automatic 8 Speed Standard Cab Pickup
  Added Nov 2021 • 16 Fuel-ups

  Property of davisben

• 12.4 Avg MPG

• My 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2021 • 161 Fuel-ups

  Property of taterdude

• 12.4 Avg MPG

• 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2021 • 27 Fuel-ups

  Property of got_traction

• 15.6 Avg MPG

• My 3500

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2021 • 92 Fuel-ups

  Property of lazer_beem

• 14.7 Avg MPG

• My 3500

  2021 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2022 • 41 Fuel-ups

  Property of SkyMutt

• 15.1 Avg MPG

• My 3500

  2021 Ram 3500 Limited 6.7L L6 DIESEL Automatic 8 Speed
  Added Feb 2021 • 56 Fuel-ups

  Property of mradamja

• 11.9 Avg MPG

• Beast

  2021 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added May 2021 • 55 Fuel-ups

  Property of samona

• 12.4 Avg MPG

• My 3500

  2021 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2022 • 35 Fuel-ups

  Property of Koz24

• 16.5 Avg MPG

• My 3500

  2021 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2022 • 50 Fuel-ups

  Property of cam95

• 18.1 Avg MPG

• #L10 (Weight Truck)

  2021 Ram 3500 Tradesman 6.4L V8 GAS Automatic 8 Speed Cab & Chassis
  Added Aug 2022 • 21 Fuel-ups

  Property of ASGinc

• 9.2 Avg MPG

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