Based on data from 127 vehicles, 14,421 fuel-ups and 4,259,900 miles of driving, the 2015 Ram 3500 gets a combined Avg MPG of 12.24 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 (114) Any Body Style Standard Cab Pickup (1) Crew Cab Pickup (37) 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 (15) SLT (17) Tradesman (30) Laramie (36) Other (2)

Below you can see a distribution of the fuel-ups with 77 outliers (0.53%) removed.

Following shows the average MPG of each of the 127 vehicles in the system.

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• My 3500

  2015 Ram 3500 Laramie Limited 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2015 • 17 Fuel-ups

  Property of jpetersonrunner

• 15.6 Avg MPG

• Black Magic

  2015 Ram 3500 Big Horn 6.7L DIESEL L6 Automatic 6 Crew Cab Pickup (4 Door)
  Added Mar 2015 • 42 Fuel-ups

  Property of Black_Magic

• 13.9 Avg MPG

• My 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2015 • 18 Fuel-ups

  Property of reidry

• 15.6 Avg MPG

• DieselWeasle25

  2015 Ram 3500 SLT 6.7L L6 DIESEL Standard 6 Speed Crew Cab Pickup
  Added Aug 2015 • 37 Fuel-ups

  Property of DieselWeasle25

• 17.0 Avg MPG

• My 3500

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

  Property of mrnoodley

• 13.8 Avg MPG

• My 3500

  2015 Ram 3500 SLT 6.4L V8 GAS Automatic 6 Speed
  Added Sep 2015 • 28 Fuel-ups

  Property of Bigyin33

• 8.8 Avg MPG

• 2015 D3500

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Dec 2015 • 11 Fuel-ups

  Property of TiredOldTrucker

• 15.7 Avg MPG

• 2015 Ram Dually

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added May 2015 • 17 Fuel-ups

  Property of hutchman

• 14.3 Avg MPG

• Ram 3500 Dually

  2015 Ram 3500 SLT 6.7L DIESEL L6 Standard 6 Crew Cab Pickup (4 Door)
  Added Jan 2015 • 96 Fuel-ups

  Property of GITNDrift

• 10.8 Avg MPG

• Ram 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Aug 2015 • 8 Fuel-ups

  Property of bpw123

• 16.0 Avg MPG

• plow truck

  2015 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed Standard Cab Pickup
  Added Oct 2015 • 4 Fuel-ups

  Property of bbarter2

• 9.8 Avg MPG

• My 3500

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

  Property of hoppy49

• 11.8 Avg MPG

• CTD, SRW, G56, 4x4, 3.42 ratio, CC/LB, 50% towing

  2015 Ram 3500 Tradesman 6.7L L6 DIESEL Standard 6 Speed
  Added May 2015 • 36 Fuel-ups

  Property of WAGmore

• 15.3 Avg MPG

• My Ram 3500

  2015 Ram 3500
  Added Aug 2015 • 7 Fuel-ups

  Property of huffdaddy70

• 16.8 Avg MPG

• Tiny (DRW 3.42)

  2015 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jan 2015 • 26 Fuel-ups

  Property of Bohemian2015

• 14.8 Avg MPG

• Truck

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Crew Cab Pickup (4 Door)
  Added Dec 2014 • 46 Fuel-ups

  Property of bobca1

• 12.8 Avg MPG

• My Ram 3500

  2015 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Extended Crew Cab Pickup (4 Door)
  Added Aug 2015 • 6 Fuel-ups

  Property of syuknavage

• 11.9 Avg MPG

• Moby 2015

  2015 Ram 3500 ST 6.7L L6 DIESEL Automatic 6 Standard Cab Pickup (2 Door)
  Added Jul 2015 • 4 Fuel-ups

  Property of Marinus50

• 18.1 Avg MPG

• White Ram

  2015 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Crew Cab Pickup (4 Door)
  Added Jul 2015 • 4 Fuel-ups

  Property of lambrd

• 14.5 Avg MPG

• Clyde

  2015 Ram 3500 Laramie Longhorn 6.7L DIESEL L6 Automatic 6
  Added Dec 2014 • 13 Fuel-ups

  Property of DieselDoug77

• 12.0 Avg MPG

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