Based on data from 163 vehicles, 6,954 fuel-ups and 1,450,870 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 (14) V8 GAS (19) Any Body Style Coupe (21) 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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• Old Stang

  2003 Ford Mustang 3.8L V6 GAS Manual 5 Speed
  Added Sep 2018 • 39 Fuel-ups

  Property of Kona_Coyote

• 19.6 Avg MPG

• Luke’s Mustang

  2003 Ford Mustang 3.8L V6 GAS Automatic 4 Speed
  Added Aug 2020 • 25 Fuel-ups

  Property of DuranCars

• 16.5 Avg MPG

• My Mustang

  2003 Ford Mustang GT 4.6L V8 GAS Automatic 4 Speed
  Added Jan 2022 • 15 Fuel-ups

  Property of FuzzyNoodle11

• 14.2 Avg MPG

• Monica

  2003 Ford Mustang GT 4.6L V8 GAS Manual 5 Speed Convertible
  Added Jul 2019 • 125 Fuel-ups

  Property of PeteQuist

• 21.2 Avg MPG

• Mach 1

  2003 Ford Mustang Mach 1 4.6L V8 GAS Manual 5 Speed Coupe
  Added Mar 2020 • 18 Fuel-ups

  Property of Kenshyn

• 19.6 Avg MPG

• 03 Cobra

  2003 Ford Mustang SVT Cobra 4.6L V8 GAS Manual 6 Speed
  Added Sep 2016 • 53 Fuel-ups

  Property of geargambler

• 16.7 Avg MPG

• My Mustang

  2003 Ford Mustang Mach 1 4.6L V8 GAS Automatic 4 Speed
  Added Mar 2019 • 84 Fuel-ups

  Property of california69gs

• 19.6 Avg MPG

• 2003 Ford Mustang Mach 1

  2003 Ford Mustang Mach 1 4.6L V8 GAS Manual 5 Speed Coupe
  Added Sep 2016 • 17 Fuel-ups

  Property of jrock65

• 19.2 Avg MPG

• Mustang

  2003 Ford Mustang 3.8L V6 GAS Coupe
  Added Apr 2018 • 53 Fuel-ups

  Property of esiffring

• 23.7 Avg MPG

• My Mustang

  2003 Ford Mustang 3.8L V6 GAS Automatic 4 Speed
  Added Nov 2020 • 8 Fuel-ups

  Property of sirenrose

• 4.6 Avg MPG

• My Mustang

  2003 Ford Mustang 3.8L V6 GAS Manual 5 Speed
  Added Jul 2019 • 6 Fuel-ups

  Property of JSV6

• 11.5 Avg MPG

• Cobra Convertible

  2003 Ford Mustang SVT Cobra 4.6L V8 GAS Standard 6 Speed
  Added Sep 2016 • 10 Fuel-ups

  Property of MichaelNutter

• 13.5 Avg MPG

• Cobra Coupe

  2003 Ford Mustang SVT Cobra 4.6L V8 GAS Standard 6 Speed
  Added Sep 2016 • 14 Fuel-ups

  Property of MichaelNutter

• 14.7 Avg MPG

• Mustang

  2003 Ford Mustang GT 4.6L V8 GAS Standard 5 Speed Coupe
  Added Sep 2016 • 36 Fuel-ups

  Property of soaring_eagle

• 17.2 Avg MPG

• My Mustang

  2003 Ford Mustang GT 4.6L V8 GAS Manual 5 Speed
  Added May 2020 • 22 Fuel-ups

  Property of chevyboy2232

• 20.9 Avg MPG

• mustang

  2003 Ford Mustang GT 4.6L GAS V8 Standard 5 Coupe (2 Door)
  Added Sep 2014 • 27 Fuel-ups

  Property of felix29

• 17.8 Avg MPG

• Cobra

  2003 Ford Mustang SVT Cobra 10th Anniversary 4.6L V8 GAS Standard 6 Speed Convertible
  Added Apr 2018 • 82 Fuel-ups

  Property of sgrbear2k

• 16.3 Avg MPG

• VA KNIGHT

  2003 Ford Mustang Mach 1 4.6L V8 GAS Standard 5 Speed Coupe
  Added Jul 2018 • 116 Fuel-ups

  Property of Bdkarma

• 18.8 Avg MPG

• Mach 1

  2003 Ford Mustang Mach 1 4.6L V8 GAS Standard 5 Speed
  Added Sep 2016 • 130 Fuel-ups

  Property of mikesicily

• 17.0 Avg MPG

• Papa Smurf

  2003 Ford Mustang Mach 1 4.6L V8 GAS Manual 5 Speed Coupe
  Added Jan 2018 • 36 Fuel-ups

  Property of WXman

• 20.7 Avg MPG

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