Based on data from 131 vehicles, 15,631 fuel-ups and 4,596,649 miles of driving, the 2015 Ram 3500 gets a combined Avg MPG of 12.23 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 107 outliers (0.68%) removed.

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

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• Tow Pig

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2023 • 84 Fuel-ups

  Property of 15Ecobeast

• 12.9 Avg MPG

• 2015 Ram 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2017 • 411 Fuel-ups

  Property of lenharpd

• 18.0 Avg MPG

• Ram 3500 Cummins

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2019 • 358 Fuel-ups

  Property of kdracing

• 19.6 Avg MPG

• RAM

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2018 • 235 Fuel-ups

  Property of jkotila

• 14.9 Avg MPG

• Dodge 3500

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2016 • 352 Fuel-ups

  Property of dstroda

• 12.3 Avg MPG

• My 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2017 • 204 Fuel-ups

  Property of whiteside

• 13.4 Avg MPG

• RAM 3500

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Nov 2019 • 316 Fuel-ups

  Property of hmanbeck

• 15.6 Avg MPG

• RAM 3500

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Jan 2020 • 111 Fuel-ups

  Property of Guanaco1000

• 14.4 Avg MPG

• Kyle Ram

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Standard 6 Speed
  Added Nov 2016 • 419 Fuel-ups

  Property of Farmerroy

• 14.7 Avg MPG

• 15 3500

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2021 • 90 Fuel-ups

  Property of robigarr

• 9.9 Avg MPG

• Big Tex

  2015 Ram 3500 ST 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2024 • 13 Fuel-ups

  Property of richardoverby

• 12.7 Avg MPG

• 2015 RAM 3500

  2015 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Aug 2018 • 33 Fuel-ups

  Property of Mayes

• 12.0 Avg MPG

• My 3500

  2015 Ram 3500 Big Horn 6.4L V8 GAS Automatic 6 Speed
  Added Feb 2018 • 143 Fuel-ups

  Property of thoss29

• 11.5 Avg MPG

• Blue

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2023 • 84 Fuel-ups

  Property of scopous27

• 11.6 Avg MPG

• BART

  2015 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2017 • 97 Fuel-ups

  Property of HotWaterJoe

• 11.2 Avg MPG

• Steele

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2015 • 469 Fuel-ups

  Property of razorclam

• 18.0 Avg MPG

• RAM 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2020 • 268 Fuel-ups

  Property of climbcamp4

• 13.7 Avg MPG

• 2015 Ram 3500

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

  Property of gsmann

• 13.9 Avg MPG

• Ram 3500 (Brown 2015)

  2015 Ram 3500 ST
  Added Mar 2021 • 161 Fuel-ups

  Property of BlueLghtning

• 9.6 Avg MPG

• Ram3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jul 2015 • 348 Fuel-ups

  Property of LilJ

• 13.4 Avg MPG

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