Based on data from 130 vehicles, 15,106 fuel-ups and 4,458,513 miles of driving, the 2015 Ram 3500 gets a combined Avg MPG of 12.27 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 (117) 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 (38) 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 130 vehicles in the system.

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• Ram 3500 (Brown 2015)

  2015 Ram 3500 ST
  Added Mar 2021 • 158 Fuel-ups

  Property of BlueLghtning

• 9.6 Avg MPG

• Tow Pig

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2023 • 78 Fuel-ups

  Property of 15Ecobeast

• 12.9 Avg MPG

• Big Tex

  2015 Ram 3500 ST 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2024 • 8 Fuel-ups

  Property of richardoverby

• 12.3 Avg MPG

• My 3500

  2015 Ram 3500 Big Horn 6.4L V8 GAS Automatic 6 Speed
  Added Feb 2018 • 136 Fuel-ups

  Property of thoss29

• 11.4 Avg MPG

• 2015 Ram 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2017 • 401 Fuel-ups

  Property of lenharpd

• 18.0 Avg MPG

• Steele

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2015 • 462 Fuel-ups

  Property of razorclam

• 18.0 Avg MPG

• Dodge 3500

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2016 • 347 Fuel-ups

  Property of dstroda

• 12.3 Avg MPG

• RAM

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2018 • 232 Fuel-ups

  Property of jkotila

• 14.9 Avg MPG

• Kyle Ram

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Standard 6 Speed
  Added Nov 2016 • 412 Fuel-ups

  Property of Farmerroy

• 14.8 Avg MPG

• RAM 3500

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Nov 2019 • 312 Fuel-ups

  Property of hmanbeck

• 15.6 Avg MPG

• 15 3500

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2021 • 88 Fuel-ups

  Property of robigarr

• 9.9 Avg MPG

• RAM 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2020 • 264 Fuel-ups

  Property of climbcamp4

• 13.6 Avg MPG

• Ram 3500 Cummins

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2019 • 353 Fuel-ups

  Property of kdracing

• 19.7 Avg MPG

• Ram 3500

  2015 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Oct 2017 • 154 Fuel-ups

  Property of MarkErway

• 13.3 Avg MPG

• My Ram

  2015 Ram 3500
  Added Jun 2015 • 996 Fuel-ups

  Property of mhrcek

• 11.3 Avg MPG

• My 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2017 • 197 Fuel-ups

  Property of whiteside

• 13.3 Avg MPG

• Ram3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jul 2015 • 345 Fuel-ups

  Property of LilJ

• 13.4 Avg MPG

• Blue belle

  2015 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2016 • 239 Fuel-ups

  Property of kriegs

• 12.7 Avg MPG

• My 3500

  2015 Ram 3500 Big Horn 6.4L V8 GAS Automatic 6 Speed
  Added Mar 2021 • 267 Fuel-ups

  Property of laynewahlberg

• 12.1 Avg MPG

• My 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2024 • 7 Fuel-ups

  Property of Grampy1477

• 9.9 Avg MPG

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