Based on data from 128 vehicles, 14,435 fuel-ups and 4,264,172 miles of driving, the 2015 Ram 3500 gets a combined Avg MPG of 12.25 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 (115) Any Body Style Standard Cab Pickup (1) Crew Cab Pickup (37) Extended Crew Cab Pickup (10) Cab & Chassis - Crew Cab (1) Any Submodel Lone Star (2) ST (3) 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 77 outliers (0.53%) removed.

Following shows the average MPG of each of the 128 vehicles in the system.

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• My 3500

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2024 • 45 Fuel-ups

  Property of Lisandro529

• 13.3 Avg MPG

• Tow Pig

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2023 • 42 Fuel-ups

  Property of 15Ecobeast

• 13.3 Avg MPG

• RAM 3500

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Nov 2019 • 268 Fuel-ups

  Property of hmanbeck

• 15.5 Avg MPG

• Ram 3500 Cummins

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2019 • 330 Fuel-ups

  Property of kdracing

• 19.6 Avg MPG

• 15 3500

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2021 • 72 Fuel-ups

  Property of robigarr

• 9.8 Avg MPG

• Dodge 3500

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2016 • 321 Fuel-ups

  Property of dstroda

• 16.1 Avg MPG

• 2015 Ram 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Mar 2024 • 3 Fuel-ups

  Property of brovo

• 9.0 Avg MPG

• Kyle Ram

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Standard 6 Speed
  Added Nov 2016 • 390 Fuel-ups

  Property of Farmerroy

• 14.8 Avg MPG

• Steele

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2015 • 435 Fuel-ups

  Property of razorclam

• 18.0 Avg MPG

• 2015 Ram 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2017 • 376 Fuel-ups

  Property of lenharpd

• 17.9 Avg MPG

• Ram 3500 (Brown 2015)

  2015 Ram 3500 ST
  Added Mar 2021 • 122 Fuel-ups

  Property of BlueLghtning

• 9.9 Avg MPG

• 2015 Ram 3500

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2023 • 32 Fuel-ups

  Property of gsmann

• 13.6 Avg MPG

• RAM

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2018 • 210 Fuel-ups

  Property of jkotila

• 14.9 Avg MPG

• Blue

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2023 • 37 Fuel-ups

  Property of scopous27

• 11.7 Avg MPG

• Ram3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jul 2015 • 334 Fuel-ups

  Property of LilJ

• 13.5 Avg MPG

• My 3500

  2015 Ram 3500 Big Horn 6.4L V8 GAS Automatic 6 Speed
  Added Feb 2018 • 124 Fuel-ups

  Property of thoss29

• 11.4 Avg MPG

• RAM 3500

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Jan 2020 • 100 Fuel-ups

  Property of Guanaco1000

• 14.6 Avg MPG

• My 3500

  2015 Ram 3500 Big Horn 6.4L V8 GAS Automatic 6 Speed
  Added Mar 2021 • 228 Fuel-ups

  Property of laynewahlberg

• 12.2 Avg MPG

• Blue belle

  2015 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2016 • 229 Fuel-ups

  Property of kriegs

• 12.8 Avg MPG

• RAM 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2020 • 214 Fuel-ups

  Property of climbcamp4

• 13.9 Avg MPG

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