Based on data from 129 vehicles, 11,207 fuel-ups and 3,391,048 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 172 outliers (1.51%) removed.

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

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• My 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Manual 6 Speed
  Added Apr 2019 • 217 Fuel-ups

  Property of theotherTALLguy

• 18.3 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

• My 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Manual 6 Speed
  Added May 2022 • 153 Fuel-ups

  Property of nielsturtevant

• 14.9 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

• 2018 Ram 3500 SLT

  2018 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2020 • 86 Fuel-ups

  Property of TrevorR_EcoDiesel

• 12.5 Avg MPG

• My 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2020 • 232 Fuel-ups

  Property of Rick6643

• 14.4 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

• My 3500

  2018 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2019 • 164 Fuel-ups

  Property of MasterOfNothing

• 16.5 Avg MPG

• 2018 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2023 • 23 Fuel-ups

  Property of Sasquash

• 10.9 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

• RAM 3500

  2018 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2018 • 206 Fuel-ups

  Property of Tchil

• 10.0 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 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2023 • 59 Fuel-ups

  Property of undrcvr_camaro

• 14.8 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

• 2018 RAM HO 3500 4.10 Aisin

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2019 • 154 Fuel-ups

  Property of silverram323

• 9.1 Avg MPG

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