Based on data from 131 vehicles, 15,590 fuel-ups and 4,583,053 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 110 outliers (0.70%) removed.

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

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• Ram 3500 Laramie

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2018 • 180 Fuel-ups

  Property of kaiuwe19

• 11.8 Avg MPG

• Dually

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jun 2016 • 202 Fuel-ups

  Property of yycmike

• 12.1 Avg MPG

• Graybeard

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jan 2025 • 510 Fuel-ups

  Property of brainwaste

• 12.2 Avg MPG

• RAM 3500

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Jan 2020 • 110 Fuel-ups

  Property of Guanaco1000

• 14.4 Avg MPG

• Ram 3500

  2015 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Oct 2017 • 154 Fuel-ups

  Property of MarkErway

• 13.3 Avg MPG

• My Ram

  2015 Ram 3500
  Added Jun 2015 • 996 Fuel-ups

  Property of mhrcek

• 11.3 Avg MPG

• Blue

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2023 • 83 Fuel-ups

  Property of scopous27

• 11.5 Avg MPG

• My BOT

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2015 • 572 Fuel-ups

  Property of BurningWire

• 12.1 Avg MPG

• Ram 3500 Surely

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2015 • 235 Fuel-ups

  Property of JaredHerzog

• 14.6 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

• Graybeard DEF

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jan 2025 • 40 Fuel-ups

  Property of brainwaste

• 468.7 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

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