Based on data from 131 vehicles, 15,688 fuel-ups and 4,618,494 miles of driving, the 2015 Ram 3500 gets a combined Avg MPG of 12.24 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 (118) Any Body Style Standard Cab Pickup (1) Crew Cab Pickup (38) 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 (32) Laramie (37) Other (2)

Below you can see a distribution of the fuel-ups with 106 outliers (0.67%) removed.

Following shows the average MPG of each of the 131 vehicles in the system.

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• 15 3500

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2021 • 92 Fuel-ups

  Property of robigarr

• 9.9 Avg MPG

• RAM

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2018 • 238 Fuel-ups

  Property of jkotila

• 14.9 Avg MPG

• 2015 Ram 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2017 • 417 Fuel-ups

  Property of lenharpd

• 17.9 Avg MPG

• Big Tex

  2015 Ram 3500 ST 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2024 • 18 Fuel-ups

  Property of richardoverby

• 12.8 Avg MPG

• Steele

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2015 • 477 Fuel-ups

  Property of razorclam

• 18.0 Avg MPG

• Ram 3500 Cummins

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2019 • 365 Fuel-ups

  Property of kdracing

• 19.7 Avg MPG

• Tow Pig

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2023 • 89 Fuel-ups

  Property of 15Ecobeast

• 12.8 Avg MPG

• Kyle Ram

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Standard 6 Speed
  Added Nov 2016 • 425 Fuel-ups

  Property of Farmerroy

• 14.8 Avg MPG

• Dodge 3500

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2016 • 356 Fuel-ups

  Property of dstroda

• 12.4 Avg MPG

• RAM 3500

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Nov 2019 • 319 Fuel-ups

  Property of hmanbeck

• 15.6 Avg MPG

• RAM 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2020 • 269 Fuel-ups

  Property of climbcamp4

• 13.7 Avg MPG

• 2015 RAM 3500

  2015 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Aug 2018 • 34 Fuel-ups

  Property of Mayes

• 12.1 Avg MPG

• 2015 Ram 3500

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2023 • 38 Fuel-ups

  Property of gsmann

• 14.0 Avg MPG

• Dually

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jun 2016 • 203 Fuel-ups

  Property of yycmike

• 12.1 Avg MPG

• My 3500

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2024 • 151 Fuel-ups

  Property of Lisandro529

• 14.5 Avg MPG

• Ram3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jul 2015 • 350 Fuel-ups

  Property of LilJ

• 13.4 Avg MPG

• Graybeard

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jan 2025 • 513 Fuel-ups

  Property of brainwaste

• 12.2 Avg MPG

• Ram 3500 (Brown 2015)

  2015 Ram 3500 ST
  Added Mar 2021 • 164 Fuel-ups

  Property of BlueLghtning

• 9.6 Avg MPG

• RAM 3500

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Jan 2020 • 112 Fuel-ups

  Property of Guanaco1000

• 14.4 Avg MPG

• New Ram

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added May 2015 • 278 Fuel-ups

  Property of reechardwvu

• 12.4 Avg MPG

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