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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• Dodge 2018

  2018 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2023 • 173 Fuel-ups

  Property of avgilmore

• 12.5 Avg MPG

• Ram 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Aug 2024 • 128 Fuel-ups

  Property of bdjgreen

• 15.3 Avg MPG

• My 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2022 • 23 Fuel-ups

  Property of taylorcubbedge

• 14.4 Avg MPG

• My 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2018 • 3 Fuel-ups

  Property of tcampbell04

• 18.3 Avg MPG

• My 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2023 • 26 Fuel-ups

  Property of Jken1377

• 9.9 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

• My 3500

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

  Property of RBowans

• 12.0 Avg MPG

• Red Hat

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Dec 2023 • 4 Fuel-ups

  Property of TexNolan

• 6.7 Avg MPG

• AEV Ram

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2023 • 7 Fuel-ups

  Property of vics

• 13.0 Avg MPG

• My 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2020 • 158 Fuel-ups

  Property of oldryder

• 14.0 Avg MPG

• My 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2023 • 34 Fuel-ups

  Property of cowboy395

• 14.2 Avg MPG

• 2018 Ram 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jan 2019 • 64 Fuel-ups

  Property of js3704

• 23.7 Avg MPG

• My RAM 3500 Pickup

  2018 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2021 • 23 Fuel-ups

  Property of Snowmads

• 10.9 Avg MPG

• Ram 3500 Mega Cab

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2018 • 271 Fuel-ups

  Property of 01-2260

• 13.8 Avg MPG

• Ram3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Manual 6 Speed Extended Crew Cab Pickup
  Added Jul 2022 • 10 Fuel-ups

  Property of AB333

• 18.0 Avg MPG

• RAM 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2017 • 310 Fuel-ups

  Property of David55016

• 15.1 Avg MPG

• My 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2019 • 23 Fuel-ups

  Property of Bksmith

• 15.2 Avg MPG

• 2018 Longhorn

  2018 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Oct 2019 • 126 Fuel-ups

  Property of jfab6969

• 8.2 Avg MPG

• My 3500

  2018 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2022 • 9 Fuel-ups

  Property of Dieselhead

• 10.0 Avg MPG

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