Based on data from 90 vehicles, 5,461 fuel-ups and 2,185,556 miles of driving, the 2003 Dodge Ram 3500 gets a combined Avg MPG of 14.86 with a 0.11 MPG margin of error.

Any Engine Type 5.7L V8 GAS (2) 5.9L L6 DIESEL (64) 8.0L V10 GAS (2) L6 DIESEL (14) Any Body Style Crew Cab Pickup (23) Any Submodel ST (7) Laramie (19) SLT (48) Other (16)

Below you can see a distribution of the fuel-ups with 170 outliers (3.02%) removed.

Following shows the average MPG of each of the 90 vehicles in the system.

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• My Ram 3500

  2003 Dodge Ram 3500 SLT 5.9L L6 DIESEL Standard 6 Speed
  Added Jun 2017 • 17 Fuel-ups

  Property of danal47

• 14.4 Avg MPG

• My Ram 3500

  2003 Dodge Ram 3500 SLT
  Added Mar 2016 • 9 Fuel-ups

  Property of pcloss

• 16.0 Avg MPG

• 03 3500

  2003 Dodge Ram 3500 ST 5.9L L6 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added Jul 2016 • 12 Fuel-ups

  Property of Chief915

• 15.7 Avg MPG

• Silver Cummins

  2003 Dodge Ram 3500 SLT 5.9L L6 DIESEL Standard 6 Speed Crew Cab Pickup
  Added Feb 2016 • 39 Fuel-ups

  Property of yatzee

• 15.9 Avg MPG

• Laramie

  2003 Dodge Ram 3500 Laramie 5.9L L6 DIESEL Standard 6 Speed Crew Cab Pickup
  Added May 2016 • 31 Fuel-ups

  Property of CanuckCountryGirl

• 17.8 Avg MPG

• Scarlett

  2003 Dodge Ram 3500 ST 5.9L L6 DIESEL Automatic 4 Speed
  Added Apr 2017 • 101 Fuel-ups

  Property of christabas

• 15.1 Avg MPG

• Yamahauler

  2003 Dodge Ram 3500 SLT 5.9L L6 DIESEL Standard 6 Speed Crew Cab Pickup
  Added May 2011 • 81 Fuel-ups

  Property of SRXtreme

• 16.6 Avg MPG

• Black Cummins 3500

  2003 Dodge Ram 3500 SLT
  Added Feb 2012 • 152 Fuel-ups

  Property of jswbga

• 17.6 Avg MPG

• Dodge Dually

  2003 Dodge Ram 3500 SLT
  Added Jul 2013 • 32 Fuel-ups

  Property of Harryb49

• 13.4 Avg MPG

• Ram 3500

  2003 Dodge Ram 3500 SLT
  Added Feb 2016 • 3 Fuel-ups

  Property of clintingham

• 13.1 Avg MPG

• Truck

  2003 Dodge Ram 3500 DIESEL L6
  Added Apr 2013 • 24 Fuel-ups

  Property of russx82

• 14.8 Avg MPG

• Dodge Ram 3500

  2003 Dodge Ram 3500 SLT 5.9L L6 DIESEL Automatic 4 Speed
  Added Mar 2017 • 8 Fuel-ups

  Property of biscuit141

• 14.2 Avg MPG

• Dodge Ram 3500

  2003 Dodge Ram 3500 Laramie 5.9L L6 DIESEL Standard 6 Speed
  Added Sep 2016 • 120 Fuel-ups

  Property of tbelllis1963

• 17.3 Avg MPG

• Dodge

  2003 Dodge Ram 3500
  Added Nov 2013 • 4 Fuel-ups

  Property of mykdee311

• 21.5 Avg MPG

• Ram3500

  2003 Dodge Ram 3500 DIESEL L6
  Added Feb 2012 • 28 Fuel-ups

  Property of Shoemaker

• 10.6 Avg MPG

• Dodge Ram

  2003 Dodge Ram 3500 DIESEL L6
  Added Jun 2012 • 40 Fuel-ups

  Property of CPierce

• 15.1 Avg MPG

• Dually

  2003 Dodge Ram 3500 DIESEL L6
  Added Apr 2012 • 14 Fuel-ups

  Property of JByrd

• 13.8 Avg MPG

• Ram (towing)

  2003 Dodge Ram 3500 DIESEL L6
  Added Jun 2012 • 3 Fuel-ups

  Property of jeeper78

• 10.1 Avg MPG

• 2003 Ram

  2003 Dodge Ram 3500 Laramie 5.9L L6 DIESEL Standard 6 Speed
  Added Sep 2016 • 79 Fuel-ups

  Property of gonske

• 15.1 Avg MPG

• 03 Dodge Ram

  2003 Dodge Ram 3500 DIESEL L6
  Added May 2009 • 117 Fuel-ups

  Property of moonranch

• 22.0 Avg MPG

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