Based on data from 241 vehicles, 21,528 fuel-ups and 6,937,601 miles of driving, the 2015 Ram 2500 gets a combined Avg MPG of 14.63 with a 0.05 MPG margin of error.

Any Engine Type 5.7L V8 GAS (8) 6.4L V8 GAS (45) 6.7L L6 DIESEL (167) 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 (14) SLT (21) Big Horn (25) Tradesman (46) Laramie (77) Other (4)

Below you can see a distribution of the fuel-ups with 379 outliers (1.73%) removed.

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

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• Clifford

  2015 Ram 2500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2025 • 20 Fuel-ups

  Property of Tyler_Lee

• 16.6 Avg MPG

• Ramsey II - 2500 Crew Cab 4x4 6.5' Bed

  2015 Ram 2500 ST 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2023 • 64 Fuel-ups

  Property of SpidRacer

• 17.8 Avg MPG

• Big Rhonda

  2015 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2021 • 184 Fuel-ups

  Property of cthorne6

• 14.7 Avg MPG

• Ram2500

  2015 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Jan 2025 • 8 Fuel-ups

  Property of Tesslinger

• 13.5 Avg MPG

• 2015 Ram 2500

  2015 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Jul 2023 • 69 Fuel-ups

  Property of OldDodgeOwner

• 14.5 Avg MPG

• Vader

  2015 Ram 2500 Big Horn 6.4L V8 GAS Automatic 6 Speed
  Added Dec 2018 • 276 Fuel-ups

  Property of oaklanefarm

• 12.9 Avg MPG

• My 2500

  2015 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2023 • 133 Fuel-ups

  Property of lbriseno

• 14.7 Avg MPG

• Brian's Ram 2500

  2015 Ram 2500 Outdoorsman 6.4L V8 GAS Automatic 6 Speed
  Added Aug 2016 • 523 Fuel-ups

  Property of bmc4041

• 11.4 Avg MPG

• My 2500

  2015 Ram 2500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2024 • 74 Fuel-ups

  Property of Alex1993

• 17.7 Avg MPG

• RAM

  2015 Ram 2500 Laramie Limited 6.7L DIESEL L6 Automatic 6 Crew Cab Pickup (4 Door)
  Added Apr 2015 • 245 Fuel-ups

  Property of mantiskungfu

• 12.8 Avg MPG

• Ram 2500

  2015 Ram 2500 SLT 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2018 • 406 Fuel-ups

  Property of lawton398

• 17.9 Avg MPG

• Ram

  2015 Ram 2500 Outdoorsman 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2016 • 411 Fuel-ups

  Property of ofd531

• 16.1 Avg MPG

• Ram

  2015 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Jul 2015 • 358 Fuel-ups

  Property of royta

• 15.2 Avg MPG

• Goliath

  2015 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2017 • 221 Fuel-ups

  Property of Gomez1

• 14.8 Avg MPG

• My 2500

  2015 Ram 2500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2023 • 68 Fuel-ups

  Property of abutlercihcsp

• 16.7 Avg MPG

• My 2500

  2015 Ram 2500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2018 • 398 Fuel-ups

  Property of skiman26

• 13.4 Avg MPG

• Big truck

  2015 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2020 • 141 Fuel-ups

  Property of littlejon-1

• 13.0 Avg MPG

• My 2500

  2015 Ram 2500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Oct 2022 • 48 Fuel-ups

  Property of sagibson06

• 13.1 Avg MPG

• Big Blue

  2015 Ram 2500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2024 • 18 Fuel-ups

  Property of bddipietro

• 16.7 Avg MPG

• Rambo

  2015 Ram 2500 Laramie Mega Cab Automatic 6 Speed Extended Crew Cab Pickup
  Added Feb 2025 • 48 Fuel-ups

  Property of Jacobross8673

• 19.3 Avg MPG

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