Based on data from 130 vehicles, 11,458 fuel-ups and 3,460,574 miles of driving, the 2018 Ram 3500 gets a combined Avg MPG of 12.94 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 (108) L6 DIESEL (4) 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 (4) Laramie Limited (5) Base (6) Limited (6) SLT (6) Big Horn (13) Tradesman (26) Laramie (58) Other (1)

Below you can see a distribution of the fuel-ups with 180 outliers (1.55%) removed.

Following shows the average MPG of each of the 130 vehicles in the system.

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• 2018 Ram 3500

  2018 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2017 • 390 Fuel-ups

  Property of srt10ss

• 15.8 Avg MPG

• Ram 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2019 • 242 Fuel-ups

  Property of fordraceboy

• 15.7 Avg MPG

• RAM

  2018 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2023 • 73 Fuel-ups

  Property of undrcvr_camaro

• 14.9 Avg MPG

• Ram 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2018 • 364 Fuel-ups

  Property of scrubs

• 13.5 Avg MPG

• 2018 Ram 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2024 • 54 Fuel-ups

  Property of yhosaka

• 13.6 Avg MPG

• 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Nov 2019 • 215 Fuel-ups

  Property of gficken

• 11.5 Avg MPG

• My 3500

  2018 Ram 3500 Tradesman 6.4L V8 GAS Automatic 6 Speed
  Added Mar 2024 • 49 Fuel-ups

  Property of printman812

• 9.7 Avg MPG

• Dodge 2018

  2018 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2023 • 184 Fuel-ups

  Property of avgilmore

• 12.8 Avg MPG

• 2018 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2023 • 28 Fuel-ups

  Property of Sasquash

• 10.9 Avg MPG

• Oma's Truck

  2018 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed Cab & Chassis - Crew Cab
  Added May 2018 • 280 Fuel-ups

  Property of MrGadget365

• 18.7 Avg MPG

• 2018 RAM HO 3500 4.10 Aisin

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2019 • 159 Fuel-ups

  Property of silverram323

• 9.1 Avg MPG

• Taco Bear

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2023 • 135 Fuel-ups

  Property of Mythos

• 13.5 Avg MPG

• My 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Manual 6 Speed
  Added Apr 2019 • 224 Fuel-ups

  Property of theotherTALLguy

• 18.3 Avg MPG

• My 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2020 • 235 Fuel-ups

  Property of Rick6643

• 14.4 Avg MPG

• 18 Ram 3500

  2018 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2021 • 145 Fuel-ups

  Property of cdntaco

• 16.5 Avg MPG

• 18 RAM 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2022 • 7 Fuel-ups

  Property of HughesElec

• 31.9 Avg MPG

• My 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Manual 6 Speed
  Added May 2022 • 158 Fuel-ups

  Property of nielsturtevant

• 14.9 Avg MPG

• Ram 3500 Megacab Limited Dually 4x4

  2018 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2019 • 218 Fuel-ups

  Property of sifactor

• 11.0 Avg MPG

• My 3500

  2018 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2019 • 168 Fuel-ups

  Property of MasterOfNothing

• 16.5 Avg MPG

• My Awesome 2018 Ram 3500

  2018 Ram 3500 Big Horn 6.4L V8 GAS Automatic 6 Speed
  Added Jan 2018 • 678 Fuel-ups

  Property of SDCowboy

• 11.8 Avg MPG

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