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Home/Technical Info/Ford/11. Car Models Described/2000s/ 2003/
2003 Mustang Overview

The 2003 Mustang GT
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2003 Mustang Brochure 2003_Mustang_Brochure.pdf

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2003 Mustang

2003, Ford boosted enthusiasm with two special-edition Mustangs - the Mach 1 and Pony.

Pony Package
The 2003 Mustang Pony package was offered on the V-6 model. The Pony package combines 16-inch, polished-aluminum wheels, unique tape striping, special rear fascia with blackened "Mustang" lettering, a GT hood and a leather-wrapped steering wheel.

Comfort and Convenience
The 2003 Mustang had reduced wind noise over the 2002 model due to expandable foam seals around the body, particularly at the outside door handles and belt moulding on the doors.

  • Standard comfort and convenience features included air conditioning, power windows and door locks, tilt steering column, full-length centre floor console, remote keyless entry system and interval windshield wipers.
  • Reclining cloth front bucket seats with six-way power driver's seat were standard, as were 50/50 split-folding rear seatbacks on coupe models. Leather-trimmed bucket seats were available.
  • An interior overhead storage net was standard on all coupes.
  • The Mustang convertible featured a power retractable fabric top with a hydraulic system that allows for quick raising and lowering. The convertible top featured a scratch-resistant glass rear window and black semi-hard boot, which protected the top from dust when lowered, and provided an aerodynamic exterior appearance.


  • The standard Mustang engine was a 3.8-litre OHV V-6, producing 190 horsepower at 5,250 rpm and 220 foot-pounds of torque at 2,750 rpm. The engine featured split-port induction, which helped optimize fuel economy, along with enhanced-flow cylinder heads and anti-friction piston coatings.
  • GT models had a standard 4.6-litre SOHC V-8 that produced 260 horsepower at 5,250 rpm and 302 foot-pounds of torque at 4,000 rpm. The engine featured large valves, equal-length intake manifold runners, and cams with high lift and long duration to maximize engine air intake for increased horsepower. A coil-on-plug ignition system provided improved ignition control for more consistent starting. Combustion chambers were shaped for optimum power and fuel efficiency, and aluminum upper main, upper thrust and rod bearings help to improve engine durability.
  • New for 2003, the Mach 1 models had a standard 4-valve, DOHC 4.6-litre V-8 producing over 300 horsepower.
  • The Mustang GT uses the Tremec TR3650 manual transmission with a tall 5th gear ratio for improved fuel economy.
  • For 2003, both V-6 and V-8 engines utilized stiffer accessory drive brackets and improved bearings to reduce variability.
  • Mustang had a retuned suspension for 2003, including new shock absorbers. New microcellular urethane jounce bumpers made engagement upon impact more progressive, and a pinion snubber on the top of the rear axle reduced the amount of axle travel to improve ride quality.
  • Mustang used a modified MacPherson strut front suspension to allow each wheel to react to road imperfections independently, while its weight balance was of 57 per cent front, 43 per cent rear.
  • Four-bar link rear suspension and power rack-and-pinion steering were standard on all Mustang models.
  • A traction-lock rear axle, standard on the GT, transferd driving force to the rear wheel with the best traction for improved performance on slippery or uneven surfaces and under strong acceleration.

Safety and Security

  • Improved head-impact safety features on the 2003 Mustang included, a new A-pillar, headliners, sun visors and a revised D-ring seat belt attachment. The firing strategy on both driver and passenger side air bags also was been updated.
  • Front safety belts with pretensioners to tighten the lap and shoulder belts in the first moments of a crash also were standard.
  • Energy-management retractors gradually slackened the safety belt, if necessary, to help reduce the force of the belt on the occupant's chest. BeltMinderÔ provides a gentle reminder to the driver to buckle up.
  • New for 2003, Mustang added anchorages in the rear seat to implement the industry-standard LATCH system for child safety seat attachment.
  • Standard on GT and available on V-6, the anti-lock braking system and four-wheel disc brakes enhanced stopping power, while all-speed traction control harnessed drive forces. A second-generation air bag restraint system helped provide occupant protection in frontal collisions.
  • The 2003 Mustang was fitted with an emergency trunk release handle to guard against trunk entrapment.
  • The SecuriLockÔ passive anti-theft system scanned an encoded chip embedded in the proper ignition key to help prevent a thief from starting the engine.
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The 2003 Mustang V6 Pony





















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