Based on data from 129 vehicles, 11,232 fuel-ups and 3,398,230 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 (107) 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 (25) Laramie (58) Other (1)

Below you can see a distribution of the fuel-ups with 173 outliers (1.52%) removed.

Following shows the average MPG of each of the 129 vehicles in the system.

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• Ram 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2019 • 233 Fuel-ups

  Property of fordraceboy

• 15.7 Avg MPG

• 2018 Ram 3500

  2018 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2019 • 54 Fuel-ups

  Property of atlsouth

• 12.5 Avg MPG

• My Ram 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2018 • 272 Fuel-ups

  Property of Flounder90

• 14.8 Avg MPG

• Ram Truck DIESEL!!

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Jun 2020 • 126 Fuel-ups

  Property of karrynna

• 14.4 Avg MPG

• Silver Bullet

  2018 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed Cab & Chassis - Crew Cab
  Added May 2018 • 268 Fuel-ups

  Property of MrGadget365

• 18.7 Avg MPG

• Ram 3500 Megacab Limited Dually 4x4

  2018 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2019 • 213 Fuel-ups

  Property of sifactor

• 11.0 Avg MPG

• Work Truck

  2018 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2022 • 29 Fuel-ups

  Property of jarrett85

• 39.4 Avg MPG

• My 3500

  2018 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2022 • 227 Fuel-ups

  Property of RanchHand

• 10.2 Avg MPG

• My 3500

  2018 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2024 • 19 Fuel-ups

  Property of pdxkid

• 13.6 Avg MPG

• 18 Ram 3500

  2018 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2021 • 136 Fuel-ups

  Property of cdntaco

• 16.6 Avg MPG

• Ram 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added May 2020 • 128 Fuel-ups

  Property of MolokoMan

• 13.5 Avg MPG

• Ram 3500

  2018 Ram 3500 V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Oct 2020 • 186 Fuel-ups

  Property of trappedinks

• 9.6 Avg MPG

• My 3500

  2018 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2024 • 28 Fuel-ups

  Property of JKUSteve1

• 9.4 Avg MPG

• Ram 18

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jul 2020 • 38 Fuel-ups

  Property of brucenolan

• 12.2 Avg MPG

• My 3500

  2018 Ram 3500 Tradesman 6.4L V8 GAS Automatic 6 Speed
  Added Mar 2024 • 35 Fuel-ups

  Property of printman812

• 10.1 Avg MPG

• Ram 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Oct 2019 • 106 Fuel-ups

  Property of Motorcycleman50

• 11.6 Avg MPG

• My 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2018 • 231 Fuel-ups

  Property of Ram_2015

• 13.3 Avg MPG

• 2018 Ram 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2022 • 32 Fuel-ups

  Property of wgasa84

• 10.4 Avg MPG

• Ram 2018

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Dec 2018 • 88 Fuel-ups

  Property of rpahlow

• 12.2 Avg MPG

• ‘18 RAM 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2019 • 248 Fuel-ups

  Property of jwindbigler

• 8.9 Avg MPG

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