Based on data from 127 vehicles, 10,384 fuel-ups and 3,146,431 miles of driving, the 2018 Ram 3500 gets a combined Avg MPG of 12.97 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 (105) 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) Laramie Limited (5) Base (6) Limited (6) SLT (6) Big Horn (12) Tradesman (24) Laramie (59) Other (1)

Below you can see a distribution of the fuel-ups with 163 outliers (1.55%) removed.

Following shows the average MPG of each of the 127 vehicles in the system.

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• Ram 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2019 • 205 Fuel-ups

  Property of fordraceboy

• 15.7 Avg MPG

• RAM 3500

  2018 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2018 • 197 Fuel-ups

  Property of Tchil

• 10.0 Avg MPG

• Silver Bullet

  2018 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed Cab & Chassis - Crew Cab
  Added May 2018 • 208 Fuel-ups

  Property of MrGadget365

• 19.4 Avg MPG

• 2018 Ram 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2024 • 12 Fuel-ups

  Property of yhosaka

• 13.2 Avg MPG

• My 3500

  2018 Ram 3500 Tradesman 6.4L V8 GAS Automatic 6 Speed
  Added Mar 2024 • 7 Fuel-ups

  Property of printman812

• 10.1 Avg MPG

• 2018 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2023 • 10 Fuel-ups

  Property of Sasquash

• 12.6 Avg MPG

• My 3500

  2018 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2019 • 144 Fuel-ups

  Property of MasterOfNothing

• 16.4 Avg MPG

• My 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2018 • 226 Fuel-ups

  Property of Ram_2015

• 13.3 Avg MPG

• 2018 Ram 3500

  2018 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2019 • 45 Fuel-ups

  Property of atlsouth

• 12.3 Avg MPG

• Ram 3500

  2018 Ram 3500 V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Oct 2020 • 177 Fuel-ups

  Property of trappedinks

• 9.6 Avg MPG

• Ram 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added May 2020 • 100 Fuel-ups

  Property of MolokoMan

• 13.5 Avg MPG

• My 3500

  2018 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2022 • 148 Fuel-ups

  Property of RanchHand

• 10.4 Avg MPG

• 18 Ram 3500

  2018 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2021 • 119 Fuel-ups

  Property of cdntaco

• 16.5 Avg MPG

• My 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2022 • 21 Fuel-ups

  Property of taylorcubbedge

• 14.4 Avg MPG

• Ram Truck DIESEL!!

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Jun 2020 • 112 Fuel-ups

  Property of karrynna

• 14.4 Avg MPG

• 2018 RAM HO 3500 4.10 Aisin

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2019 • 132 Fuel-ups

  Property of silverram323

• 9.3 Avg MPG

• My 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2020 • 92 Fuel-ups

  Property of NSLaramie

• 14.3 Avg MPG

• Mega Ram

  2018 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Jan 2019 • 238 Fuel-ups

  Property of spoolin6890988888

• 15.4 Avg MPG

• Ram 2018

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Dec 2018 • 84 Fuel-ups

  Property of rpahlow

• 12.2 Avg MPG

• My 3500

  2018 Ram 3500 Laramie
  Added Feb 2018 • 109 Fuel-ups

  Property of RBowans

• 12.0 Avg MPG

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