Based on data from 129 vehicles, 15,051 fuel-ups and 4,440,918 miles of driving, the 2015 Ram 3500 gets a combined Avg MPG of 12.26 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 (116) Any Body Style Standard Cab Pickup (1) Crew Cab Pickup (36) 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 (30) Laramie (37) Other (2)

Below you can see a distribution of the fuel-ups with 87 outliers (0.57%) removed.

Following shows the average MPG of each of the 129 vehicles in the system.

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• 2015 RAM 3500

  2015 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Aug 2018 • 30 Fuel-ups

  Property of Mayes

• 11.7 Avg MPG

• Ram 3500 (Brown 2015)

  2015 Ram 3500 ST
  Added Mar 2021 • 156 Fuel-ups

  Property of BlueLghtning

• 9.6 Avg MPG

• New Ram

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added May 2015 • 276 Fuel-ups

  Property of reechardwvu

• 12.4 Avg MPG

• Ram 3500

  2015 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Oct 2017 • 153 Fuel-ups

  Property of MarkErway

• 13.2 Avg MPG

• 2015 Ram 3500

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2023 • 36 Fuel-ups

  Property of gsmann

• 13.9 Avg MPG

• Blue belle

  2015 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2016 • 238 Fuel-ups

  Property of kriegs

• 12.7 Avg MPG

• Ram 3500 Laramie

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2018 • 179 Fuel-ups

  Property of kaiuwe19

• 11.8 Avg MPG

• My Ram

  2015 Ram 3500
  Added Jun 2015 • 995 Fuel-ups

  Property of mhrcek

• 11.3 Avg MPG

• My 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2017 • 195 Fuel-ups

  Property of whiteside

• 13.4 Avg MPG

• Ram 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Feb 2015 • 382 Fuel-ups

  Property of wjk940

• 15.7 Avg MPG

• 3500 dually.

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2022 • 10 Fuel-ups

  Property of Dgroff88

• 13.9 Avg MPG

• 2015 Ram 3500

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

  Property of brovo

• 12.0 Avg MPG

• My 2015 3500

  2015 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2023 • 9 Fuel-ups

  Property of yatzee

• 12.1 Avg MPG

• My 3500

  2015 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2016 • 338 Fuel-ups

  Property of Ehoxie

• 12.4 Avg MPG

• Dolores

  2015 Ram 3500 SLT 6.4L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Jul 2022 • 39 Fuel-ups

  Property of GPSaxophone

• 10.5 Avg MPG

• RAM 3500

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2023 • 11 Fuel-ups

  Property of JRWW

• 14.4 Avg MPG

• Big Ass Truck

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jun 2015 • 207 Fuel-ups

  Property of BearBack

• 15.8 Avg MPG

• 2015 Ram 3500 Laramie 4x4

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2022 • 36 Fuel-ups

  Property of ThickSinnamon

• 12.5 Avg MPG

• Graybeard

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2018 • 476 Fuel-ups

  Property of brainwaste

• 12.2 Avg MPG

• My 3500

  2015 Ram 3500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2019 • 144 Fuel-ups

  Property of ac_sheldon

• 16.3 Avg MPG

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