Based on data from 163 vehicles, 6,963 fuel-ups and 1,452,458 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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• My Mustang

  2003 Ford Mustang Mach 1 4.6L V8 GAS Automatic 4 Speed
  Added Jan 2016 • 10 Fuel-ups

  Property of Mach1

• 18.3 Avg MPG

• My Mustang

  2003 Ford Mustang 3.8L V6 GAS Standard 5 Speed
  Added Nov 2015 • 5 Fuel-ups

  Property of usmarc

• 31.2 Avg MPG

• 2003 Mustang Mach 1

  2003 Ford Mustang Mach 1 4.6L GAS V8 Standard 5 Coupe (2 Door)
  Added Jul 2014 • 84 Fuel-ups

  Property of SchollStang

• 20.1 Avg MPG

• MYLILPNY

  2003 Ford Mustang GT 4.6L V8 GAS Standard 5 Speed
  Added Dec 2015 • 3 Fuel-ups

  Property of kadolph85

• 23.5 Avg MPG

• Jessica's Mach 1 Mustang

  2003 Ford Mustang
  Added Jul 2013 • 7 Fuel-ups

  Property of MikeyB3649

• 17.8 Avg MPG

• Mustang

  2003 Ford Mustang GT 4.6L GAS V8 Standard 5 Convertible (2 Door)
  Added Jun 2015 • 22 Fuel-ups

  Property of CadeyzDad

• 21.7 Avg MPG

• Mustang

  2003 Ford Mustang 3.8L V6 GAS
  Added Feb 2018 • 48 Fuel-ups

  Property of loweblowe

• 23.9 Avg MPG

• 03 SB Cobra

  2003 Ford Mustang SVT Cobra 4.6L V8 GAS Standard 6 Speed
  Added Mar 2017 • 21 Fuel-ups

  Property of soharo

• 18.2 Avg MPG

• Mustang GT

  2003 Ford Mustang GT 4.6L V8 GAS Standard 5 Coupe (2 Door)
  Added Jan 2015 • 10 Fuel-ups

  Property of hunter289

• 21.7 Avg MPG

• Mustang Sally

  2003 Ford Mustang 3.8L GAS V6 Automatic 4 Convertible (2 Door)
  Added Aug 2014 • 7 Fuel-ups

  Property of SSmith21

• 16.2 Avg MPG

• The Cobra

  2003 Ford Mustang SVT Cobra 4.6L GAS V8 Standard 6 Coupe (2 Door)
  Added Jun 2012 • 38 Fuel-ups

  Property of garbonzo1991gt

• 15.9 Avg MPG

• The Black Beast

  2003 Ford Mustang GT 4.6L GAS V8 Standard 5 Coupe (2 Door)
  Added Feb 2015 • 10 Fuel-ups

  Property of jaeravenal

• 21.9 Avg MPG

• Mustang

  2003 Ford Mustang 3.8L GAS V6 Standard 5 Coupe (2 Door)
  Added Nov 2014 • 8 Fuel-ups

  Property of tr1stan123

• 16.6 Avg MPG

• Mustang

  2003 Ford Mustang Mach 1 4.6L V8 GAS Standard 5 Speed Coupe
  Added Jan 2018 • 5 Fuel-ups

  Property of laythg

• 24.1 Avg MPG

• Beth

  2003 Ford Mustang
  Added Dec 2013 • 31 Fuel-ups

  Property of ccap41

• 20.0 Avg MPG

• True Blue GT

  2003 Ford Mustang GT 4.6L V8 GAS Standard 5 Speed Coupe
  Added Jul 2012 • 25 Fuel-ups

  Property of Blue03GT

• 19.2 Avg MPG

• little blue

  2003 Ford Mustang GAS V6
  Added Dec 2013 • 5 Fuel-ups

  Property of Messner25

• 15.3 Avg MPG

• The Hog 2003

  2003 Ford Mustang GT 4.6L V8 GAS Standard 5 Speed
  Added Sep 2016 • 32 Fuel-ups

  Property of mylittlegtpony03

• 25.7 Avg MPG

• Black Betty

  2003 Ford Mustang GT 4.6L V8 GAS
  Added Jun 2014 • 104 Fuel-ups

  Property of Mattyhuitema

• 18.2 Avg MPG

• Cobra

  2003 Ford Mustang GAS V8
  Added Jan 2013 • 29 Fuel-ups

  Property of JJones87

• 17.7 Avg MPG

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