Based on data from 238 vehicles, 21,104 fuel-ups and 6,785,960 miles of driving, the 2015 Ram 2500 gets a combined Avg MPG of 14.61 with a 0.05 MPG margin of error.

Any Engine Type 5.7L V8 GAS (8) 6.4L V8 GAS (46) 6.7L L6 DIESEL (164) H6 DIESEL (1) L6 DIESEL (3) Any Body Style Standard Cab Pickup (5) Crew Cab Pickup (62) Extended Crew Cab Pickup (11) Cab & Chassis - Crew Cab (2) Any Submodel Hemi Sport (1) ST (3) Power Wagon (7) Outdoorsman (8) Lone Star (9) Laramie Mega Cab (12) Laramie Longhorn (13) Laramie Limited (15) SLT (21) Big Horn (24) Tradesman (45) Laramie (76) Other (4)

Below you can see a distribution of the fuel-ups with 373 outliers (1.74%) removed.

Following shows the average MPG of each of the 238 vehicles in the system.

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• My 2500

  2015 Ram 2500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2018 • 5 Fuel-ups

  Property of woody11

• 18.5 Avg MPG

• My 2500

  2015 Ram 2500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2018 • 3 Fuel-ups

  Property of jdurham

• 25.0 Avg MPG

• My 2500

  2015 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2017 • 61 Fuel-ups

  Property of PhoenixCoug

• 16.5 Avg MPG

• Wendy's Truck

  2015 Ram 2500 Tradesman 6.4L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Oct 2017 • 57 Fuel-ups

  Property of wdsmith1958

• 11.8 Avg MPG

• Megalodon

  2015 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Extended Crew Cab Pickup (4 Door)
  Added Jul 2015 • 103 Fuel-ups

  Property of MightyDCs

• 16.4 Avg MPG

• 2015 RAM 2500 CTD

  2015 Ram 2500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2015 • 36 Fuel-ups

  Property of expat93

• 12.9 Avg MPG

• Truck

  2015 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2018 • 157 Fuel-ups

  Property of BirdHunter

• 14.9 Avg MPG

• My 2500

  2015 Ram 2500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2017 • 77 Fuel-ups

  Property of LR60Driver

• 16.7 Avg MPG

• My 2500

  2015 Ram 2500 Laramie Mega Cab
  Added Feb 2018 • 5 Fuel-ups

  Property of rocket19682

• 16.0 Avg MPG

• Ram 2500 Mega Cab. 6.4L V8 Hemi

  2015 Ram 2500 Laramie 6.4L V8 GAS Automatic 6 Extended Crew Cab Pickup (4 Door)
  Added Jun 2015 • 148 Fuel-ups

  Property of MrASmith9

• 12.7 Avg MPG

• Mr. Gator

  2015 Ram 2500 Outdoorsman 6.4L V8 GAS Automatic 6 Speed Cab & Chassis - Crew Cab
  Added Aug 2016 • 90 Fuel-ups

  Property of MrGator

• 13.0 Avg MPG

• My 2500

  2015 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2017 • 3 Fuel-ups

  Property of woodgray14

• 40.6 Avg MPG

• 2015 RAM 2500

  2015 Ram 2500 Tradesman 5.7L V8 GAS Automatic 6 Speed
  Added Dec 2017 • 81 Fuel-ups

  Property of edst

• 12.5 Avg MPG

• My 2500

  2015 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2017 • 8 Fuel-ups

  Property of foxjosh

• 14.2 Avg MPG

• Snow Bitch

  2015 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jun 2018 • 27 Fuel-ups

  Property of sargenthp

• 14.8 Avg MPG

• My 2500

  2015 Ram 2500 Lone Star 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2017 • 8 Fuel-ups

  Property of smokey_cummins

• 16.2 Avg MPG

• My 2500

  2015 Ram 2500 Tradesman 6.4L V8 GAS Automatic 6 Speed
  Added Nov 2017 • 11 Fuel-ups

  Property of croller

• 12.7 Avg MPG

• Black Betty

  2015 Ram 2500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2015 • 82 Fuel-ups

  Property of avolnek

• 13.3 Avg MPG

• G56 Mega

  2015 Ram 2500 Laramie Mega Cab H6 DIESEL
  Added Mar 2017 • 27 Fuel-ups

  Property of Bootlegfab

• 15.3 Avg MPG

• The Beast

  2015 Ram 2500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added May 2016 • 119 Fuel-ups

  Property of nickh50

• 12.9 Avg MPG

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