Based on data from 166 vehicles, 7,155 fuel-ups and 1,486,683 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 (38) 4.6L V8 GAS (87) V6 GAS (13) V8 GAS (19) Any Body Style Coupe (20) Convertible (11) Any Submodel SVT Cobra 10th Anniversary (1) SVT Cobra (22) Mach 1 (24) Base (38) GT (40) Other (41)

Below you can see a distribution of the fuel-ups with 209 outliers (2.84%) removed.

Following shows the average MPG of each of the 166 vehicles in the system.

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• Mustang

  2003 Ford Mustang GT 4.6L V8 GAS Standard 5 Speed Coupe
  Added Oct 2017 • 311 Fuel-ups

  Property of mmoesner

• 22.5 Avg MPG

• 2003 Mustang GT (CAI, Exhaust)

  2003 Ford Mustang GT 4.6L V8 GAS Manual 5 Speed
  Added Dec 2024 • 3 Fuel-ups

  Property of DriftStang

• 17.9 Avg MPG

• Mustang GT

  2003 Ford Mustang GT 4.6L V8 GAS Manual 5 Speed Convertible
  Added Jan 2024 • 35 Fuel-ups

  Property of krpoun

• 14.3 Avg MPG

• My Mustang

  2003 Ford Mustang 3.8L V6 GAS Automatic 4 Speed
  Added Nov 2024 • 45 Fuel-ups

  Property of zonkerboi

• 19.0 Avg MPG

• My Mustang

  2003 Ford Mustang 3.8L V6 GAS Automatic 4 Speed
  Added Oct 2017 • 212 Fuel-ups

  Property of chadtpowell

• 19.8 Avg MPG

• Mustang GT

  2003 Ford Mustang GT 4.6L V8 GAS Manual 5 Speed
  Added Feb 2024 • 39 Fuel-ups

  Property of thomas3147

• 21.2 Avg MPG

• 2003 Terminator

  2003 Ford Mustang SVT Cobra 4.6L V8 GAS Manual 6 Speed
  Added Mar 2022 • 91 Fuel-ups

  Property of Gascoststoomuch

• 17.3 Avg MPG

• Ford Mustang GT

  2003 Ford Mustang GT 4.6L V8 GAS Manual 5 Speed Coupe
  Added Jan 2019 • 175 Fuel-ups

  Property of tench94

• 20.6 Avg MPG

• Mustang

  2003 Ford Mustang GT 4.6L V8 GAS Standard 5 Convertible (2 Door)
  Added Jul 2015 • 9 Fuel-ups

  Property of mightypeo

• 18.4 Avg MPG

• T3RM1N4T0R

  2003 Ford Mustang SVT Cobra 4.6L V8 GAS Manual 6 Speed
  Added Apr 2022 • 50 Fuel-ups

  Property of neonkaz

• 15.5 Avg MPG

• Mustang

  2003 Ford Mustang GT 4.6L V8 GAS Standard 5 Speed
  Added Sep 2017 • 405 Fuel-ups

  Property of techstudio

• 22.2 Avg MPG

• My ‘03 Mustang

  2003 Ford Mustang SVT Cobra 4.6L V8 GAS Manual 6 Speed
  Added Sep 2023 • 3 Fuel-ups

  Property of hildy6

• 17.1 Avg MPG

• My Mustang

  2003 Ford Mustang SVT Cobra 4.6L V8 GAS Manual 6 Speed
  Added Aug 2023 • 14 Fuel-ups

  Property of GripStigma

• 13.4 Avg MPG

• Cobra

  2003 Ford Mustang SVT Cobra 4.6L V8 GAS
  Added Feb 2011 • 74 Fuel-ups

  Property of lowflyn

• 13.1 Avg MPG

• Mustang

  2003 Ford Mustang GT 4.6L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 53 Fuel-ups

  Property of mastertizzle

• 17.3 Avg MPG

• My Mustang

  2003 Ford Mustang SVT Cobra 4.6L V8 GAS Manual 6 Speed
  Added Apr 2022 • 13 Fuel-ups

  Property of rwingate08

• 12.3 Avg MPG

• My Mustang

  2003 Ford Mustang GT 4.6L V8 GAS Automatic 4 Speed
  Added May 2022 • 17 Fuel-ups

  Property of clepclep

• 17.0 Avg MPG

• Mustang

  2003 Ford Mustang Custom Submodel
  Added Oct 2023 • 24 Fuel-ups

  Property of Randy_Perez

• 19.5 Avg MPG

• Silver Stallion

  2003 Ford Mustang 3.8L V6 GAS Manual 5 Speed
  Added Jul 2024 • 14 Fuel-ups

  Property of firstgen89sho

• 24.8 Avg MPG

• My Mustang

  2003 Ford Mustang 3.8L V6 GAS Automatic 4 Speed
  Added Jul 2019 • 34 Fuel-ups

  Property of krspyleg

• 25.2 Avg MPG

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