Based on data from 241 vehicles, 21,464 fuel-ups and 6,901,284 miles of driving, the 2015 Ram 2500 gets a combined Avg MPG of 14.60 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 (166) H6 DIESEL (1) L6 DIESEL (3) Any Body Style Standard Cab Pickup (5) Crew Cab Pickup (62) Extended Crew Cab Pickup (13) Cab & Chassis - Crew Cab (2) Any Submodel Hemi Sport (1) ST (3) Power Wagon (7) Outdoorsman (8) Lone Star (9) Laramie Longhorn (13) Laramie Mega Cab (13) Laramie Limited (15) SLT (21) Big Horn (25) Tradesman (46) Laramie (76) Other (4)

Below you can see a distribution of the fuel-ups with 380 outliers (1.74%) removed.

Following shows the average MPG of each of the 241 vehicles in the system.

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• My 2500

  2015 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2020 • 7 Fuel-ups

  Property of cody96

• 12.3 Avg MPG

• Bertha

  2015 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2015 • 237 Fuel-ups

  Property of truckertim

• 14.6 Avg MPG

• My 2500

  2015 Ram 2500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2019 • 144 Fuel-ups

  Property of jasonp42

• 15.4 Avg MPG

• 2015 Ram 2500

  2015 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added May 2021 • 3 Fuel-ups

  Property of Tscheid46

• 16.0 Avg MPG

• 3/4 Ton CrewCab LB

  2015 Ram 2500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2016 • 187 Fuel-ups

  Property of cbunt1

• 14.8 Avg MPG

• Ram Mega Cab

  2015 Ram 2500 Lone Star 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Jan 2018 • 47 Fuel-ups

  Property of TR3R

• 18.0 Avg MPG

• My 2500

  2015 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2020 • 4 Fuel-ups

  Property of stang0176

• 17.9 Avg MPG

• My Ram 2500

  2015 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2015 • 223 Fuel-ups

  Property of cyber1satan

• 14.3 Avg MPG

• Ram 2500

  2015 Ram 2500 Laramie Longhorn 6.7L DIESEL L6 Automatic 6 Extended Crew Cab Pickup (4 Door)
  Added Jan 2015 • 370 Fuel-ups

  Property of SCGrizz

• 16.1 Avg MPG

• My Truck

  2015 Ram 2500 SLT 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2015 • 215 Fuel-ups

  Property of MIKEINDUSTRIES

• 13.3 Avg MPG

• Wendler

  2015 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Sep 2018 • 216 Fuel-ups

  Property of Arcticbill

• 11.0 Avg MPG

• MatthewCA's Ram 2500

  2015 Ram 2500 Tradesman 6.4L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Feb 2016 • 187 Fuel-ups

  Property of matthewca

• 11.8 Avg MPG

• 2015 Dodge Ram 2500 HD 4X4

  2015 Ram 2500 Tradesman 6.7L L6 DIESEL Standard 6 Speed Standard Cab Pickup
  Added Mar 2019 • 92 Fuel-ups

  Property of paulhike

• 16.8 Avg MPG

• 2015 Dodge Ram 2500 HD 4X4

  2015 Ram 2500 Tradesman 6.7L L6 DIESEL Standard 6 Speed Standard Cab Pickup
  Added Jan 2020 • 90 Fuel-ups

  Property of paulhike

• 16.8 Avg MPG

• 2015 Ram 2500

  2015 Ram 2500 SLT 6.7L L6 DIESEL
  Added Nov 2014 • 63 Fuel-ups

  Property of tx_usmc

• 17.1 Avg MPG

• My 2500

  2015 Ram 2500 SLT
  Added Jan 2019 • 31 Fuel-ups

  Property of gasca93

• 17.9 Avg MPG

• 2015 Ram 2500 CCSB 6.7L

  2015 Ram 2500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2018 • 37 Fuel-ups

  Property of cridenour

• 16.8 Avg MPG

• Cdavis

  2015 Ram 2500 Big Horn 6.4L V8 GAS Automatic 6 Speed
  Added Jan 2015 • 398 Fuel-ups

  Property of cdavis

• 11.2 Avg MPG

• ZRam 2500

  2015 Ram 2500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Oct 2017 • 55 Fuel-ups

  Property of USTruck

• 16.5 Avg MPG

• My 2500

  2015 Ram 2500 Outdoorsman 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2019 • 9 Fuel-ups

  Property of gpiercey

• 16.8 Avg MPG

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