Based on data from 130 vehicles, 11,325 fuel-ups and 3,424,378 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 176 outliers (1.53%) removed.

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

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• My Ram 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2018 • 276 Fuel-ups

  Property of Flounder90

• 14.7 Avg MPG

• Dodge 2018

  2018 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2023 • 177 Fuel-ups

  Property of avgilmore

• 12.7 Avg MPG

• Ram 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2018 • 361 Fuel-ups

  Property of scrubs

• 13.5 Avg MPG

• 18 Ram 3500

  2018 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2021 • 140 Fuel-ups

  Property of cdntaco

• 16.5 Avg MPG

• Ram 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2019 • 236 Fuel-ups

  Property of fordraceboy

• 15.7 Avg MPG

• Taco Bear

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2023 • 114 Fuel-ups

  Property of Mythos

• 13.8 Avg MPG

• 2018 Ram 3500 SLT

  2018 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2020 • 90 Fuel-ups

  Property of TrevorR_EcoDiesel

• 12.5 Avg MPG

• RAM

  2018 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2023 • 67 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 • 130 Fuel-ups

  Property of MolokoMan

• 13.5 Avg MPG

• ‘18 RAM 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2019 • 249 Fuel-ups

  Property of jwindbigler

• 8.9 Avg MPG

• My 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Manual 6 Speed
  Added May 2022 • 156 Fuel-ups

  Property of nielsturtevant

• 14.9 Avg MPG

• RAM 3500

  2018 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2018 • 209 Fuel-ups

  Property of Tchil

• 10.0 Avg MPG

• My 3500

  2018 Ram 3500 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2019 • 167 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 • 676 Fuel-ups

  Property of SDCowboy

• 11.8 Avg MPG

• 2018 Ram 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2022 • 35 Fuel-ups

  Property of wgasa84

• 10.5 Avg MPG

• My 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2020 • 233 Fuel-ups

  Property of Rick6643

• 14.4 Avg MPG

• 2018 Ram 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2024 • 48 Fuel-ups

  Property of yhosaka

• 13.6 Avg MPG

• 18 RAM 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2022 • 5 Fuel-ups

  Property of HughesElec

• 27.9 Avg MPG

• RAM

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jun 2018 • 248 Fuel-ups

  Property of mrlon

• 13.6 Avg MPG

• 3500-ISH

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2024 • 71 Fuel-ups

  Property of Ishter86

• 12.6 Avg MPG

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