Based on data from 130 vehicles, 11,414 fuel-ups and 3,448,733 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 (4) 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 179 outliers (1.54%) 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 • 280 Fuel-ups

  Property of Flounder90

• 14.7 Avg MPG

• 2018 Ram 3500 SLT

  2018 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2020 • 92 Fuel-ups

  Property of TrevorR_EcoDiesel

• 12.5 Avg MPG

• Ram 3500

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added May 2020 • 131 Fuel-ups

  Property of MolokoMan

• 13.5 Avg MPG

• My 3500

  2018 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2024 • 20 Fuel-ups

  Property of pdxkid

• 13.6 Avg MPG

• 2018 Ram 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2022 • 38 Fuel-ups

  Property of wgasa84

• 10.4 Avg MPG

• 18 RAM 3500

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

  Property of HughesElec

• 31.1 Avg MPG

• My Awesome 2018 Ram 3500

  2018 Ram 3500 Big Horn 6.4L V8 GAS Automatic 6 Speed
  Added Jan 2018 • 677 Fuel-ups

  Property of SDCowboy

• 11.8 Avg MPG

• 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Nov 2019 • 213 Fuel-ups

  Property of gficken

• 11.4 Avg MPG

• My 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2020 • 234 Fuel-ups

  Property of Rick6643

• 14.4 Avg MPG

• 3500-ISH

  2018 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2024 • 72 Fuel-ups

  Property of Ishter86

• 12.6 Avg MPG

• Work Truck

  2018 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2022 • 31 Fuel-ups

  Property of jarrett85

• 39.9 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 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 Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2019 • 167 Fuel-ups

  Property of MasterOfNothing

• 16.5 Avg MPG

• My 3500

  2018 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2022 • 233 Fuel-ups

  Property of RanchHand

• 10.3 Avg MPG

• 2018 3500

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

  Property of Sasquash

• 10.8 Avg MPG

• My 3500

  2018 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2019 • 435 Fuel-ups

  Property of rbro7752

• 11.7 Avg MPG

• My 3500

  2018 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2022 • 24 Fuel-ups

  Property of taylorcubbedge

• 14.4 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

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