Based on data from 114 vehicles, 11,857 fuel-ups and 3,513,931 miles of driving, the 2015 Ram 3500 gets a combined Avg MPG of 11.93 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 (102) Any Body Style Standard Cab Pickup (1) Crew Cab Pickup (34) Extended Crew Cab Pickup (9) Cab & Chassis - Crew Cab (1) Any Submodel Lone Star (1) ST (3) Laramie Limited (8) Big Horn (13) Laramie Longhorn (14) SLT (15) Tradesman (23) Laramie (35) Other (2)

Below you can see a distribution of the fuel-ups with 54 outliers (0.45%) removed.

Following shows the average MPG of each of the 114 vehicles in the system.

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• My 3500

  2015 Ram 3500 Big Horn 6.4L V8 GAS Automatic 6 Speed
  Added Mar 2021 • 19 Fuel-ups

  Property of laynewahlberg

• 12.4 Avg MPG

• Blue belle

  2015 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2016 • 181 Fuel-ups

  Property of kriegs

• 13.4 Avg MPG

• My Ram

  2015 Ram 3500
  Added Jun 2015 • 746 Fuel-ups

  Property of mhrcek

• 11.3 Avg MPG

• Ram 3500

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Cab & Chassis - Crew Cab
  Added Nov 2018 • 358 Fuel-ups

  Property of wkbmarine

• 9.0 Avg MPG

• RAM 3500

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Jan 2020 • 40 Fuel-ups

  Property of Guanaco1000

• 14.3 Avg MPG

• My 3500

  2015 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2019 • 190 Fuel-ups

  Property of djmatrok

• 14.2 Avg MPG

• My 3500

  2015 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2016 • 284 Fuel-ups

  Property of Ehoxie

• 12.3 Avg MPG

• 2015 Ram 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2017 • 232 Fuel-ups

  Property of lenharpd

• 17.9 Avg MPG

• New Ram

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

  Property of reechardwvu

• 12.3 Avg MPG

• My BOT

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2015 • 390 Fuel-ups

  Property of BurningWire

• 12.3 Avg MPG

• Kyle Ram

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Standard 6 Speed
  Added Nov 2016 • 304 Fuel-ups

  Property of Farmerroy

• 15.5 Avg MPG

• RAM 3500

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Nov 2019 • 56 Fuel-ups

  Property of hmanbeck

• 14.6 Avg MPG

• Ram 3500 Laramie

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2018 • 97 Fuel-ups

  Property of kaiuwe19

• 13.0 Avg MPG

• Dodge 3500

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2016 • 232 Fuel-ups

  Property of dstroda

• 16.2 Avg MPG

• Steele

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2015 • 283 Fuel-ups

  Property of razorclam

• 18.1 Avg MPG

• My 3500

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2017 • 251 Fuel-ups

  Property of rmshorter

• 11.4 Avg MPG

• Ram 3500 Cummins

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2019 • 174 Fuel-ups

  Property of kdracing

• 19.2 Avg MPG

• My 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2017 • 143 Fuel-ups

  Property of whiteside

• 14.3 Avg MPG

• Ram 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Feb 2015 • 259 Fuel-ups

  Property of wjk940

• 16.7 Avg MPG

• Ram 3500 Surely

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2015 • 176 Fuel-ups

  Property of JaredHerzog

• 14.5 Avg MPG

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