Based on data from 163 vehicles, 6,960 fuel-ups and 1,451,958 miles of driving, the 2003 Ford Mustang gets a combined Avg MPG of 18.13 with a 0.11 MPG margin of error.

Any Engine Type 3.8L V6 GAS (37) 4.6L V8 GAS (85) V6 GAS (13) V8 GAS (19) Any Body Style Coupe (20) Convertible (11) Any Submodel SVT Cobra 10th Anniversary (1) SVT Cobra (21) Mach 1 (24) Base (37) GT (39) Other (41)

Below you can see a distribution of the fuel-ups with 216 outliers (3.01%) removed.

Following shows the average MPG of each of the 163 vehicles in the system.

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• DSG Terminator

  2003 Ford Mustang GAS V8
  Added May 2011 • 11 Fuel-ups

  Property of Gargstang

• 18.2 Avg MPG

• Mustang

  2003 Ford Mustang GAS V8
  Added Mar 2010 • 261 Fuel-ups

  Property of merc123

• 20.8 Avg MPG

• Mustang

  2003 Ford Mustang GAS V6
  Added Sep 2013 • 14 Fuel-ups

  Property of Spikeee67

• 19.8 Avg MPG

• BlueStang03

  2003 Ford Mustang
  Added Jul 2009 • 62 Fuel-ups

  Property of glencbr

• 20.2 Avg MPG

• 2003 Ford Mustang Mach 1

  2003 Ford Mustang GAS V8
  Added May 2014 • 5 Fuel-ups

  Property of GMAN95

• 19.9 Avg MPG

• Mustang

  2003 Ford Mustang GT 4.6L V8 GAS Standard 5 Speed
  Added Sep 2016 • 18 Fuel-ups

  Property of mc2813

• 25.6 Avg MPG

• 2003 Mustang Gt

  2003 Ford Mustang GAS V8
  Added Jun 2014 • 48 Fuel-ups

  Property of bigB653

• 12.8 Avg MPG

• Mach 1 (old)

  2003 Ford Mustang Mach 1 4.6L V8 GAS Standard 5 Speed
  Added Sep 2016 • 236 Fuel-ups

  Property of mikesicily

• 18.2 Avg MPG

• 03 Mustang Cobra

  2003 Ford Mustang SVT Cobra 4.6L V8 GAS Standard 6 Speed
  Added Mar 2017 • 24 Fuel-ups

  Property of soharo

• 16.6 Avg MPG

• 2003 Mach 1

  2003 Ford Mustang GAS V8
  Added May 2010 • 5 Fuel-ups

  Property of Julian1221

• 19.6 Avg MPG

• Mach 1

  2003 Ford Mustang
  Added Jan 2014 • 3 Fuel-ups

  Property of Kove

• 12.9 Avg MPG

• Tine's Stang

  2003 Ford Mustang 3.8L V6 GAS Automatic 4 Speed
  Added Aug 2016 • 27 Fuel-ups

  Property of B52bombardier

• 46.1 Avg MPG

• Snowflake

  2003 Ford Mustang GAS V6
  Added Jul 2012 • 28 Fuel-ups

  Property of TheCollinsFamily

• 37.6 Avg MPG

• 2003 Ford Mustang v6 Manual

  2003 Ford Mustang
  Added Jan 2013 • 21 Fuel-ups

  Property of rock4763

• 21.0 Avg MPG

• Mustang

  2003 Ford Mustang GAS V6
  Added Mar 2013 • 20 Fuel-ups

  Property of euhs21

• 17.6 Avg MPG

• Mach 1

  2003 Ford Mustang GAS V8
  Added Jul 2012 • 13 Fuel-ups

  Property of ryans01cobra

• 18.7 Avg MPG

• Mustang Saleen

  2003 Ford Mustang GAS V8
  Added Mar 2013 • 13 Fuel-ups

  Property of supesazpd

• 15.1 Avg MPG

• Mustang

  2003 Ford Mustang 3.8L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 3 Fuel-ups

  Property of jkraemer29

• 23.1 Avg MPG

• Cobra

  2003 Ford Mustang GAS V8
  Added Mar 2013 • 11 Fuel-ups

  Property of xptb

• 18.1 Avg MPG

• Cobra Terminator 515 rwhp=Gas Smileage

  2003 Ford Mustang GAS V8
  Added May 2013 • 3 Fuel-ups

  Property of sledgehammer44

• 16.3 Avg MPG

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