Based on data from 129 vehicles, 15,053 fuel-ups and 4,441,584 miles of driving, the 2015 Ram 3500 gets a combined Avg MPG of 12.26 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 (116) Any Body Style Standard Cab Pickup (1) Crew Cab Pickup (36) Extended Crew Cab Pickup (10) Cab & Chassis - Crew Cab (1) Any Submodel Lone Star (2) ST (4) 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 87 outliers (0.57%) removed.

Following shows the average MPG of each of the 129 vehicles in the system.

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• 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

• Ram 3500 mega 4x4 #22

  2015 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2015 • 616 Fuel-ups

  Property of run2

• 9.1 Avg MPG

• My 3500

  2015 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2017 • 4 Fuel-ups

  Property of cuylerTech

• 16.0 Avg MPG

• 3500 Ram Mega Cab

  2015 Ram 3500 Laramie Longhorn 6.4L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Dec 2017 • 3 Fuel-ups

  Property of bwlyon

• 14.5 Avg MPG

• My 3500 15

  2015 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2017 • 72 Fuel-ups

  Property of turbo24

• 12.1 Avg MPG

• Dodge Ram 3500HD

  2015 Ram 3500 SLT 6.7L L6 DIESEL Standard 6 Speed Crew Cab Pickup
  Added Oct 2017 • 72 Fuel-ups

  Property of VMSLUX

• 11.7 Avg MPG

• My 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2017 • 7 Fuel-ups

  Property of Radtek

• 14.7 Avg MPG

• Dually

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Jul 2017 • 13 Fuel-ups

  Property of SharonC

• 12.4 Avg MPG

• Part Locomotive

  2015 Ram 3500 Big Horn 6.7L DIESEL L6 Automatic 6 Crew Cab Pickup (4 Door)
  Added Jun 2015 • 812 Fuel-ups

  Property of Warferox

• 10.0 Avg MPG

• Longhorn

  2015 Ram 3500 Laramie Longhorn 6.7L DIESEL L6 Automatic 6 Crew Cab Pickup (4 Door)
  Added Jan 2015 • 80 Fuel-ups

  Property of FU227

• 11.1 Avg MPG

• Ram 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Apr 2015 • 145 Fuel-ups

  Property of hayman

• 18.0 Avg MPG

• Vader

  2015 Ram 3500 SLT 6.7L DIESEL L6 Automatic 6 Crew Cab Pickup (4 Door)
  Added Apr 2015 • 33 Fuel-ups

  Property of pressuredrop

• 14.6 Avg MPG

• Ram

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Apr 2017 • 15 Fuel-ups

  Property of ZVTrucking

• 13.1 Avg MPG

• 50

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2015 • 97 Fuel-ups

  Property of daunt007

• 14.1 Avg MPG

• RAM 3500 4x4 "BEAST"

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jan 2016 • 18 Fuel-ups

  Property of MaxAB

• 14.6 Avg MPG

• Ram

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Dec 2015 • 52 Fuel-ups

  Property of Booch239

• 16.5 Avg MPG

• CUMMINS

  2015 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2015 • 24 Fuel-ups

  Property of kennykustom

• 15.0 Avg MPG

• RAM

  2015 Ram 3500 Laramie 6.4L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Apr 2015 • 81 Fuel-ups

  Property of mnranger1

• 14.0 Avg MPG

• DBB

  2015 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2015 • 38 Fuel-ups

  Property of logie231

• 16.6 Avg MPG

• Black Betty

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Extended Crew Cab Pickup (4 Door)
  Added Jul 2015 • 55 Fuel-ups

  Property of jmclaughlinusa

• 16.9 Avg MPG

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