Porsche 911 GT3 2003
The 2003 Porsche 911 GT3 belongs to the second evolution of the 996 generation, commonly identified as the 996.2. Developed as a road-legal sports car with a strong track focus, it uses a naturally aspirated 3.6-liter flat-six producing 381 PS and paired with a six-speed manual gearbox. Porsche quoted a 306 km/h top speed and a 0–100 km/h time of 4.5 seconds. The updated model is recognizable by its redesigned headlights, revised front and rear sections, dedicated wheels, and reshaped fixed rear wing. Rear-wheel drive remained part of the formula, while the chassis, braking system, and lightweight approach were all directed toward precise, demanding performance rather than everyday comfort.

History
The 911 GT3 was introduced by Porsche in 1999 at the beginning of the 996 generation. It continued the Carrera RS tradition by creating a more direct link between road-car production and motorsport. Its 3.6-liter naturally aspirated engine used a racing-derived architecture, while the six-speed manual transmission came from the 911 GT2. The first version produced 360 PS and featured a lowered chassis, upgraded brakes, a limited-slip differential, and a fixed rear wing. Porsche also offered a Clubsport package with a roll cage for customers seeking a more competition-oriented specification.
In 2003, the 996 GT3 received a substantial update. The engine gained Porsche’s VarioCam system and its output rose to 381 PS. The exterior was revised with new headlights, updated aerodynamic components, and a redesigned rear wing. The braking package was also improved, while Porsche Ceramic Composite Brakes became available as an option. This model represented the final major GT3 development based on the 996 before the 997-generation car arrived in 2006.
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Technical data
8 powertrains recorded for the 911 GT3. Some figures apply to the version as a whole rather than to each engine.
Compare powertrains
Pick a powertrain: the detailed sheet below follows your selection.
| Criterion | ||||||||
|---|---|---|---|---|---|---|---|---|
| Power | 235 kW | 235 kW | 235 kW | 235 kW | 235 kW | 235 kW | 235 kW | 235 kW |
| Torque | 370 Nm | 370 Nm | 370 Nm | 370 Nm | 370 Nm | 370 Nm | 370 Nm | 370 Nm |
| Gearbox | Manuelle | Automatique, 5 rapports | Manuelle, 6 rapports | Automatique, 5 rapports | Manuelle, 6 rapports | Automatique, 5 rapports | Manuelle, 6 rapports | Automatique, 5 rapports |
| Drivetrain | Propulsion | — | — | — | — | — | — | — |
| Fuel | Essence | Essence | Essence | Essence | Essence | Essence | Essence | Essence |
Showing: 3.6
This powertrain
- Power
- 235 kW
- Torque
- 370 Nm
- Transmission
- Manuelle
- Drive type
- Propulsion
- Fuel
- Essence
Recorded across the whole version
- 0-100 km/h
- 4.1 - 5.9 s
- Top speed
- 275 - 315 km/h
- Displacement
- 3596 - 3600 cm3
- Consumption
- 11.1 - 13.9 L/100 km
- Dimensions
- 4430 x 1765 x 1306 mm
- Weight
- 1345 - 1620 kg
Source: cardatawiki
Anecdotes
Before the GT3 reached customers, Walter Röhrl drove the first 996 GT3 around the Nürburgring Nordschleife in under eight minutes. Porsche used the achievement to demonstrate the capabilities of its new road-legal sports car. The 996 GT3 also provided the foundation for the 911 GT3 Cup, GT3 R, and GT3 RSR competition cars, reinforcing the close relationship between the road model and Porsche’s racing programs.
Production
The 2003 911 GT3 was a road-legal production model, but Porsche developed it with serious circuit use in mind. The company states that the first GT3 cars began production at Weissach in May 1999 and that the model served as the homologation basis for several competition versions. However, the sources consulted do not establish one official production figure clearly limited to the standard 2003 GT3. Figures sometimes quoted for the 996 family may combine multiple model years, markets, or derivatives, including Clubsport versions. It is therefore more accurate not to assign a precise production total to this specific configuration without a detailed factory archive.
Press reception
Road tests of the 996 GT3 have generally emphasized the consistency of its formula: a high-revving naturally aspirated engine, manual transmission, rear-wheel drive, and a chassis tuned for precision. Car and Driver described the North American version as the most extreme non-turbo 911 in the range, highlighting its racing-derived engine and track-oriented suspension. More recent comparisons by evo also recognize the 996’s agile, communicative character, while noting that the later 997 brings greater grip, stability, and outright performance. The 996 GT3 is therefore remembered less for electronic assistance or effortless speed than for its direct mechanical connection and relatively focused simplicity.
Evolution
Variants
References
- History: 911 GT3Porsche Newsroom
Historique officiel du modèle, évolution 2003, puissance, performances, PCCB et positionnement de la GT3.
- Model 911 GT3 (type 996)Porsche Australia
Informations officielles sur les versions 996, les modifications de 2003, la boîte manuelle, la propulsion et la variante Clubsport.
- Porsche celebrates the 911 GT3: 25 years of performance and passionPorsche Newsroom USA
Origine technique du moteur, évolution 996.2, régime maximal, transmission, freinage et disponibilité des PCCB.
- Press release: Celebrating 20 years of the 911 GT3Porsche AG
Débuts du modèle, production à Weissach, lien avec les voitures de course, Clubsport, VarioCam et évolution 2003.
- From the Archive: 2004 Porsche 911 GT3Car and Driver
Essai d’époque de la version nord-américaine, perception de la voiture, caractéristiques du moteur et rappel du volume de la première génération.
- Porsche 911 GT3 group test – 996 takes on 997evo
Comparaison dynamique entre les générations 996 et 997, utile pour contextualiser le caractère de la 996 GT3.
- https://www.caranddriver.com/news/a62640366/porsche-911-gt3-history/caranddriver.com
Source found by OpenAI web search for this vehicle page.
- https://paultan.org/2019/08/13/gallery-porsche-911-gt3-20-years-six-versions/paultan.org
Source found by OpenAI web search for this vehicle page.










