Based on data from 128 vehicles, 14,474 fuel-ups and 4,274,506 miles of driving, the 2015 Ram 3500 gets a combined Avg MPG of 12.25 with a 0.08 MPG margin of error.

Any Engine Type 5.7L V8 GAS (1) 6.4L V8 GAS (9) 6.7L L6 DIESEL (115) Any Body Style Standard Cab Pickup (1) Crew Cab Pickup (37) Extended Crew Cab Pickup (10) Cab & Chassis - Crew Cab (1) Any Submodel Lone Star (2) ST (3) Laramie Limited (8) Big Horn (14) Laramie Longhorn (15) SLT (17) Tradesman (30) Laramie (37) Other (2)

Below you can see a distribution of the fuel-ups with 78 outliers (0.54%) removed.

Following shows the average MPG of each of the 128 vehicles in the system.

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• My 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2019 • 14 Fuel-ups

  Property of geomermaid

• 9.6 Avg MPG

• TRUCK

  2015 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2015 • 231 Fuel-ups

  Property of cjgauthier

• 17.1 Avg MPG

• My 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2019 • 10 Fuel-ups

  Property of dleach7768

• 13.8 Avg MPG

• Ram 3500

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2017 • 94 Fuel-ups

  Property of jamed

• 14.6 Avg MPG

• My 3500

  2015 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2019 • 60 Fuel-ups

  Property of johndeere50

• 8.2 Avg MPG

• Western Brown; Longhorn

  2015 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added May 2015 • 138 Fuel-ups

  Property of molson120

• 11.2 Avg MPG

• My 3500

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Oct 2018 • 11 Fuel-ups

  Property of JCGaley

• 13.2 Avg MPG

• 2015Ram3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jun 2015 • 125 Fuel-ups

  Property of TimButterfield

• 15.1 Avg MPG

• LUVGUNS

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2017 • 203 Fuel-ups

  Property of larryjhurleyjr

• 12.2 Avg MPG

• My 3500

  2015 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added Oct 2018 • 28 Fuel-ups

  Property of swampdonkey1614

• 15.3 Avg MPG

• My 3500

  2015 Ram 3500 Lone Star 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2018 • 34 Fuel-ups

  Property of hardinfast

• 14.5 Avg MPG

• 3500

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2017 • 113 Fuel-ups

  Property of derricktrower

• 9.2 Avg MPG

• My 3500

  2015 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2018 • 18 Fuel-ups

  Property of sugarbaby

• 15.1 Avg MPG

• 15 Ram 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Nov 2017 • 1053 Fuel-ups

  Property of lnikkel

• 7.3 Avg MPG

• My 3500

  2015 Ram 3500 Tradesman 5.7L V8 GAS Automatic 6 Speed
  Added Aug 2018 • 5 Fuel-ups

  Property of RustyWangs

• 11.4 Avg MPG

• Truck

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jun 2017 • 90 Fuel-ups

  Property of Rmy24

• 13.3 Avg MPG

• RAM3500DRWG56

  2015 Ram 3500 SLT 6.7L L6 DIESEL Standard 6 Speed Crew Cab Pickup
  Added Jun 2015 • 202 Fuel-ups

  Property of OTM-CTD

• 15.4 Avg MPG

• My 3500

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2018 • 24 Fuel-ups

  Property of RustyWangs

• 10.8 Avg MPG

• My 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2017 • 61 Fuel-ups

  Property of arnoldsq

• 14.8 Avg MPG

• Fiona

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2017 • 55 Fuel-ups

  Property of ChapmanCattle

• 13.1 Avg MPG

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