Based on data from 130 vehicles, 11,379 fuel-ups and 3,438,499 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 (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 (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 178 outliers (1.54%) removed.

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

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• 2018 Ram 3500 SLT

  2018 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2020 • 92 Fuel-ups

  Property of TrevorR_EcoDiesel

• 12.5 Avg MPG

• Taco Bear

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2023 • 118 Fuel-ups

  Property of Mythos

• 13.8 Avg MPG

• RAM

  2018 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2023 • 70 Fuel-ups

  Property of undrcvr_camaro

• 14.9 Avg MPG

• Ram 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added May 2020 • 131 Fuel-ups

  Property of MolokoMan

• 13.5 Avg MPG

• My 3500

  2018 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2024 • 20 Fuel-ups

  Property of pdxkid

• 13.6 Avg MPG

• My Ram 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2018 • 278 Fuel-ups

  Property of Flounder90

• 14.7 Avg MPG

• 2018 Ram 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2022 • 38 Fuel-ups

  Property of wgasa84

• 10.4 Avg MPG

• Dodge 2018

  2018 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2023 • 182 Fuel-ups

  Property of avgilmore

• 12.7 Avg MPG

• My 3500

  2018 Ram 3500 Tradesman 6.4L V8 GAS Automatic 6 Speed
  Added Mar 2024 • 42 Fuel-ups

  Property of printman812

• 9.9 Avg MPG

• 18 Ram 3500

  2018 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2021 • 142 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 • 6 Fuel-ups

  Property of HughesElec

• 31.1 Avg MPG

• RAM

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jun 2018 • 251 Fuel-ups

  Property of mrlon

• 13.6 Avg MPG

• My Awesome 2018 Ram 3500

  2018 Ram 3500 Big Horn 6.4L V8 GAS Automatic 6 Speed
  Added Jan 2018 • 677 Fuel-ups

  Property of SDCowboy

• 11.8 Avg MPG

• 2018 Ram 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2024 • 50 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 • 213 Fuel-ups

  Property of gficken

• 11.4 Avg MPG

• Ram 3500 Megacab Limited Dually 4x4

  2018 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2019 • 216 Fuel-ups

  Property of sifactor

• 11.0 Avg MPG

• My 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2020 • 234 Fuel-ups

  Property of Rick6643

• 14.4 Avg MPG

• Ram Jam

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Oct 2024 • 11 Fuel-ups

  Property of redclifford

• 15.1 Avg MPG

• Ram 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2019 • 237 Fuel-ups

  Property of fordraceboy

• 15.7 Avg MPG

• 3500-ISH

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2024 • 72 Fuel-ups

  Property of Ishter86

• 12.6 Avg MPG

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