Based on data from 122 vehicles, 9,733 fuel-ups and 2,945,066 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 (101) 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 (57) Other (1)

Below you can see a distribution of the fuel-ups with 149 outliers (1.51%) removed.

Following shows the average MPG of each of the 122 vehicles in the system.

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• Mega Ram

  2018 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Jan 2019 • 227 Fuel-ups

  Property of spoolin6890988888

• 15.4 Avg MPG

• My Awesome 2018 Ram 3500

  2018 Ram 3500 Big Horn 6.4L V8 GAS Automatic 6 Speed
  Added Jan 2018 • 594 Fuel-ups

  Property of SDCowboy

• 12.0 Avg MPG

• Ram 3500

  2018 Ram 3500 V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Oct 2020 • 163 Fuel-ups

  Property of trappedinks

• 9.7 Avg MPG

• 2018 RAM HO 3500 4.10 Aisin

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2019 • 117 Fuel-ups

  Property of silverram323

• 9.5 Avg MPG

• RAM

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jun 2018 • 207 Fuel-ups

  Property of mrlon

• 13.4 Avg MPG

• Dodge 2018

  2018 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2023 • 66 Fuel-ups

  Property of avgilmore

• 12.8 Avg MPG

• 2018 Ram 3500

  2018 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2017 • 341 Fuel-ups

  Property of srt10ss

• 15.8 Avg MPG

• Taco Bear

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2023 • 33 Fuel-ups

  Property of Mythos

• 13.7 Avg MPG

• 18 Ram 3500

  2018 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2021 • 102 Fuel-ups

  Property of cdntaco

• 16.5 Avg MPG

• Ram Truck DIESEL!!

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Jun 2020 • 102 Fuel-ups

  Property of karrynna

• 14.3 Avg MPG

• 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Nov 2019 • 169 Fuel-ups

  Property of gficken

• 11.0 Avg MPG

• My 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2020 • 179 Fuel-ups

  Property of Rick6643

• 14.5 Avg MPG

• My 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Manual 6 Speed
  Added Apr 2019 • 176 Fuel-ups

  Property of theotherTALLguy

• 18.5 Avg MPG

• My 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2020 • 88 Fuel-ups

  Property of NSLaramie

• 14.3 Avg MPG

• My 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Manual 6 Speed
  Added May 2022 • 107 Fuel-ups

  Property of nielsturtevant

• 15.0 Avg MPG

• My Ram 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2018 • 241 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 • 192 Fuel-ups

  Property of sifactor

• 10.9 Avg MPG

• My 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2023 • 20 Fuel-ups

  Property of cowboy395

• 14.3 Avg MPG

• My 3500

  2018 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2019 • 123 Fuel-ups

  Property of MasterOfNothing

• 16.3 Avg MPG

• Ram 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added May 2020 • 89 Fuel-ups

  Property of MolokoMan

• 13.3 Avg MPG

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