Based on data from 119 vehicles, 12,884 fuel-ups and 3,805,816 miles of driving, the 2015 Ram 3500 gets a combined Avg MPG of 11.99 with a 0.09 MPG margin of error.

Any Engine Type 5.7L V8 GAS (1) 6.4L V8 GAS (8) 6.7L L6 DIESEL (107) Any Body Style Standard Cab Pickup (1) Crew Cab Pickup (35) Extended Crew Cab Pickup (9) Cab & Chassis - Crew Cab (1) Any Submodel Lone Star (2) ST (3) Laramie Limited (8) Big Horn (14) Laramie Longhorn (14) SLT (15) Tradesman (24) Laramie (37) Other (2)

Below you can see a distribution of the fuel-ups with 65 outliers (0.50%) removed.

Following shows the average MPG of each of the 119 vehicles in the system.

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• Dodge 3500

  2015 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2022 • 5 Fuel-ups

  Property of Plett

• 12.4 Avg MPG

• Steele

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2015 • 338 Fuel-ups

  Property of razorclam

• 17.9 Avg MPG

• My 3500

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2022 • 25 Fuel-ups

  Property of jcdean86

• 14.9 Avg MPG

• Ram 3500 Cummins

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2019 • 240 Fuel-ups

  Property of kdracing

• 19.4 Avg MPG

• Ram3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jul 2015 • 272 Fuel-ups

  Property of LilJ

• 13.7 Avg MPG

• My 3500

  2015 Ram 3500 Big Horn 6.4L V8 GAS Automatic 6 Speed
  Added Mar 2021 • 94 Fuel-ups

  Property of laynewahlberg

• 12.3 Avg MPG

• Ram 3500 (Brown 2015)

  2015 Ram 3500 ST
  Added Mar 2021 • 35 Fuel-ups

  Property of BlueLghtning

• 11.4 Avg MPG

• Blue belle

  2015 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2016 • 212 Fuel-ups

  Property of kriegs

• 13.0 Avg MPG

• RAM 3500

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Nov 2019 • 115 Fuel-ups

  Property of hmanbeck

• 14.6 Avg MPG

• Graybeard

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2018 • 454 Fuel-ups

  Property of brainwaste

• 12.1 Avg MPG

• Kyle Ram

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Standard 6 Speed
  Added Nov 2016 • 334 Fuel-ups

  Property of Farmerroy

• 15.2 Avg MPG

• Big Ass Truck

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jun 2015 • 164 Fuel-ups

  Property of BearBack

• 16.0 Avg MPG

• My 3500

  2015 Ram 3500 Lone Star 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2022 • 19 Fuel-ups

  Property of spenc82

• 12.9 Avg MPG

• RAM 3500

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Jan 2020 • 78 Fuel-ups

  Property of Guanaco1000

• 15.1 Avg MPG

• RAM 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2020 • 109 Fuel-ups

  Property of climbcamp4

• 14.9 Avg MPG

• My Ram

  2015 Ram 3500
  Added Jun 2015 • 830 Fuel-ups

  Property of mhrcek

• 11.2 Avg MPG

• New Ram

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added May 2015 • 248 Fuel-ups

  Property of reechardwvu

• 12.3 Avg MPG

• My 3500

  2015 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2019 • 120 Fuel-ups

  Property of ac_sheldon

• 16.4 Avg MPG

• My 3500

  2015 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2016 • 300 Fuel-ups

  Property of Ehoxie

• 12.4 Avg MPG

• Dodge 3500

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2016 • 263 Fuel-ups

  Property of dstroda

• 16.2 Avg MPG

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