Based on data from 120 vehicles, 9,136 fuel-ups and 2,751,250 miles of driving, the 2018 Ram 3500 gets a combined Avg MPG of 12.98 with a 0.09 MPG margin of error.

Any Engine Type 5.7L V8 GAS (1) 6.4L V8 GAS (5) 6.7L L6 DIESEL (99) L6 DIESEL (3) V6 GAS (2) V8 GAS (1) Any Body Style Crew Cab Pickup (33) Extended Cargo Van (2) Extended Crew Cab Pickup (5) Cab & Chassis - Crew Cab (2) Any Submodel Promaster (2) ST (3) Laramie Longhorn (3) Base (6) Limited (6) SLT (6) Laramie Limited (6) Big Horn (11) Tradesman (21) Laramie (55) Other (1)

Below you can see a distribution of the fuel-ups with 137 outliers (1.48%) removed.

Following shows the average MPG of each of the 120 vehicles in the system.

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• RAM

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jun 2018 • 198 Fuel-ups

  Property of mrlon

• 13.4 Avg MPG

• My 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Manual 6 Speed
  Added May 2022 • 83 Fuel-ups

  Property of nielsturtevant

• 14.5 Avg MPG

• Ram 3500 Mega Cab

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2018 • 266 Fuel-ups

  Property of 01-2260

• 13.8 Avg MPG

• My Awesome 2018 Ram 3500

  2018 Ram 3500 Big Horn 6.4L V8 GAS Automatic 6 Speed
  Added Jan 2018 • 556 Fuel-ups

  Property of SDCowboy

• 12.0 Avg MPG

• 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Nov 2019 • 149 Fuel-ups

  Property of gficken

• 11.0 Avg MPG

• 18 Ram 3500

  2018 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2021 • 86 Fuel-ups

  Property of cdntaco

• 16.4 Avg MPG

• 2018 Ram 3500

  2018 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2017 • 319 Fuel-ups

  Property of srt10ss

• 15.7 Avg MPG

• My Ram 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2018 • 225 Fuel-ups

  Property of Flounder90

• 15.0 Avg MPG

• Ram 3500 Megacab Limited Dually 4x4

  2018 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2019 • 176 Fuel-ups

  Property of sifactor

• 11.0 Avg MPG

• Dodge 2018

  2018 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2023 • 10 Fuel-ups

  Property of avgilmore

• 11.6 Avg MPG

• Ram 18

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jul 2020 • 25 Fuel-ups

  Property of brucenolan

• 12.4 Avg MPG

• My 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2022 • 11 Fuel-ups

  Property of taylorcubbedge

• 14.3 Avg MPG

• Mega Ram

  2018 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Jan 2019 • 210 Fuel-ups

  Property of spoolin6890988888

• 15.3 Avg MPG

• Ram 2018

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Dec 2018 • 81 Fuel-ups

  Property of rpahlow

• 12.1 Avg MPG

• RAM 3500

  2018 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2018 • 175 Fuel-ups

  Property of Tchil

• 10.1 Avg MPG

• My 3500

  2018 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2019 • 304 Fuel-ups

  Property of rbro7752

• 11.7 Avg MPG

• Silver Bullet

  2018 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed Cab & Chassis - Crew Cab
  Added May 2018 • 145 Fuel-ups

  Property of MrGadget365

• 20.0 Avg MPG

• Ram Truck DIESEL!!

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Jun 2020 • 84 Fuel-ups

  Property of karrynna

• 14.4 Avg MPG

• ‘18 RAM 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2019 • 214 Fuel-ups

  Property of jwindbigler

• 8.8 Avg MPG

• Ram 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2019 • 172 Fuel-ups

  Property of fordraceboy

• 15.5 Avg MPG

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