Based on data from 127 vehicles, 10,380 fuel-ups and 3,144,242 miles of driving, the 2018 Ram 3500 gets a combined Avg MPG of 12.97 with a 0.08 MPG margin of error.

Any Engine Type 5.7L V8 GAS (1) 6.4L V8 GAS (6) 6.7L L6 DIESEL (105) 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) Laramie Limited (5) Base (6) Limited (6) SLT (6) Big Horn (12) Tradesman (24) Laramie (59) Other (1)

Below you can see a distribution of the fuel-ups with 162 outliers (1.54%) removed.

Following shows the average MPG of each of the 127 vehicles in the system.

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• Juicy Double

  2018 Ram 3500 Big Horn 6.7L L6 DIESEL Standard 6 Speed
  Added May 2018 • 177 Fuel-ups

  Property of joslinj

• 15.6 Avg MPG

• Dually

  2018 Ram 3500
  Added Feb 2018 • 136 Fuel-ups

  Property of 913YFZR

• 9.7 Avg MPG

• Ram 3500

  2018 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2019 • 111 Fuel-ups

  Property of curlyeagle

• 12.6 Avg MPG

• Braum

  2018 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2019 • 40 Fuel-ups

  Property of cen7779

• 13.1 Avg MPG

• RAM3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2022 • 4 Fuel-ups

  Property of kreson

• 11.6 Avg MPG

• My 3500

  2018 Ram 3500 ST 6.7L L6 DIESEL Manual 6 Speed
  Added Feb 2019 • 47 Fuel-ups

  Property of billytn

• 18.7 Avg MPG

• 2018 Laramie

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jan 2019 • 65 Fuel-ups

  Property of Katson01

• 11.5 Avg MPG

• RAM 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jul 2018 • 100 Fuel-ups

  Property of rtforbed

• 15.4 Avg MPG

• RAM

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2018 • 101 Fuel-ups

  Property of Jarwins

• 9.7 Avg MPG

• Ram 3500 2018

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2018 • 31 Fuel-ups

  Property of SilverJA

• 13.8 Avg MPG

• Ram 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jun 2021 • 6 Fuel-ups

  Property of neilwo

• 14.0 Avg MPG

• Ram 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added May 2018 • 128 Fuel-ups

  Property of bdjgreen

• 15.3 Avg MPG

• Red Beast

  2018 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Feb 2019 • 45 Fuel-ups

  Property of SYNALT

• 18.2 Avg MPG

• My 3500

  2018 Ram 3500 Tradesman 6.4L V8 GAS Automatic 6 Speed
  Added Dec 2018 • 286 Fuel-ups

  Property of winsorjo

• 11.0 Avg MPG

• My 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2021 • 50 Fuel-ups

  Property of ridefast4ever1

• 12.6 Avg MPG

• My 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2020 • 132 Fuel-ups

  Property of cowboy395

• 12.6 Avg MPG

• My 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Aug 2018 • 174 Fuel-ups

  Property of SetzerFamily

• 10.4 Avg MPG

• 2018 RAM 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2019 • 24 Fuel-ups

  Property of OHTechDiver

• 11.6 Avg MPG

• My 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Oct 2019 • 36 Fuel-ups

  Property of warrenroadie

• 16.8 Avg MPG

• My 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2019 • 70 Fuel-ups

  Property of DinduNuffin

• 11.9 Avg MPG

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