Whether you’re mapping a personal collection or researching early-2000s Porsches, the 2003 model year sits at an interesting crossroads for the brand — a mix of pure sports cars and the debut of larger, more practical models. This list helps you see how each entry fits into that lineup without wading through scattered specs.
There are 16 2003 Porsche Car Models, ranging from 911 to Cayenne; for each entry the data is organized as Variant/Trim,Model code,Engine & power, so you can compare trims, identify engines and check compatibility at a glance — you’ll find below.
How can I tell similar 2003 Porsche models apart when shopping or restoring?
Look first at the Model code and Variant/Trim in the list, then match the Engine & power figures; those three columns usually distinguish body style, performance level and required parts. Cross-check VIN data and factory option codes for exact spec confirmation, and use photos to verify visual trim details.
Will the information here help with maintenance or parts searches?
Yes — the Variant/Trim,Model code and Engine & power entries point you to the correct engine family and trim-specific components, which is what parts suppliers and specialists ask for; for labor costs and known issues, consult model-specific forums or a Porsche specialist after identifying the exact code.
2003 Porsche Car Models
| Model | Variant/Trim | Model code | Engine & power |
|---|---|---|---|
| 911 | Carrera Coupe | 996 | 3.6L flat-6, 320 hp |
| 911 | Carrera Cabriolet | 996 | 3.6L flat-6, 320 hp |
| 911 | Carrera 4 | 996 | 3.6L flat-6, 320 hp |
| 911 | Carrera 4 Cabriolet | 996 | 3.6L flat-6, 320 hp |
| 911 | Carrera 4S | 996 | 3.6L flat-6, 320 hp |
| 911 | Turbo Coupe | 996 | 3.6L twin-turbo flat-6, 420 hp |
| 911 | Turbo Cabriolet | 996 | 3.6L twin-turbo flat-6, 420 hp |
| 911 | GT3 | 996 | 3.6L naturally aspirated flat-6, ~380 hp |
| 911 | GT3 RS | 996 | 3.6L naturally aspirated flat-6, ~380 hp |
| 911 | GT2 | 996 | 3.6L twin-turbo flat-6, ~450 hp |
| 911 | Carrera 40th Anniversary | 996 | 3.6L flat-6, 320 hp |
| Boxster | Boxster (base) Coupe/Convertible | 986 | 2.7L flat-6, ~217 hp |
| Boxster | Boxster S | 986 | 3.2L flat-6, ~250 hp |
| Cayenne | Cayenne (base V6) | 955 | 3.2L V6, ~247 hp |
| Cayenne | Cayenne S (V8) | 955 | 4.5L V8, ~340 hp |
| Cayenne | Cayenne Turbo | 955 | 4.5L twin-turbo V8, ~450 hp |
Images and Descriptions

911
Mainstream 911 coupe sold worldwide in 2003; rear-engine, rear- or optional all-wheel-drive versions available. The 996 Carrera used the 3.6L engine in 2003 and remained Porsche’s everyday sports-car staple with coupe styling and manual or automatic transmissions.

911
Convertible version of the 996 Carrera sold in North America, Europe and other markets. Offered throughout 2003, the cabriolet combined open-top motoring with the 3.6L Carrera powertrain and similar equipment to the coupe.

911
All-wheel-drive Carrera variant available globally in 2003. Carrera 4 used the same 3.6L engine as the Carrera but added AWD for improved grip in wet or slippery conditions and was sold as coupe and cabriolet.

911
Open-top AWD Carrera sold in 2003 markets including the U.S. and Europe. Offered for buyers wanting all-weather capability with convertible driving, the 4 Cabriolet matched Carrera 4 mechanicals with a power-folding soft top.

911
Wide-body, AWD Carrera variant blending Turbo-style styling with Carrera underpinnings; available in 2003 in select markets. The 4S was notable for broader track, unique wheels and enhanced appearance over standard Carrera models.

911
High-performance, factory turbocharged 911 sold globally in 2003. The 996 Turbo delivered strong straight-line performance, AWD traction, and distinctive styling elements; it stood above naturally aspirated Carreras in power and equipment.

911
Convertible Turbo offered to buyers wanting open-air performance; available in 2003 in primary markets. Combined the Turbo’s force-fed engine and AWD with a folding soft top for a rare high-power cabriolet.

911
Track-focused, road-legal performance coupe sold in 2003 in Europe, North America and elsewhere. The GT3 emphasized light weight, sharper suspension, and higher-revving NA power for enthusiasts seeking a race-bred 911 experience.

911
More extreme, homologation-style GT3 RS introduced for road and track use; available in limited numbers in 2003. Lighter and stiffer than the GT3, it targeted collectors and racers wanting a focused 911 variant.

911
Rear-wheel-drive, high-output turbo 911 sold as a road-legal, motorsport-derived model in 2003. The GT2 was a limited, very powerful variant aimed at experienced drivers and collectors in select markets.

911
Limited-edition 40th Anniversary model released in 2003 to mark four decades of the 911. Based on the 996 Carrera, it featured unique trim, colors and badging and was offered in limited numbers in major markets.

Boxster
Mid-engine two-seat roadster sold globally in 2003 as Porsche’s more affordable sports car. The Boxster combined balanced handling, an open-top layout and the 2.7L flat-six; popular in North America, Europe and Asia.

Boxster
Higher-performance Boxster variant with larger 3.2L engine and upgraded brakes/suspension; sold worldwide in 2003. The S offered stronger acceleration and sportier dynamics for buyers wanting extra performance over the base model.

Cayenne
Porsche’s first production SUV launched as a 2003 model-year vehicle and sold globally. The base Cayenne provided a spacious, practical Porsche entry into the SUV market with V6 power and on-road/off-road capability.

Cayenne
Mid-grade Cayenne introduced with a naturally aspirated 4.5L V8 and stronger performance; available in 2003 across major markets. The Cayenne S bridged the gap between the base V6 and the range-topping Turbo for buyers seeking V8 power.

Cayenne
Range-topping, high-performance Cayenne sold in 2003 as Porsche’s powerful SUV offering. The Turbo delivered sports-car levels of acceleration and handling for a large SUV and helped define the Cayenne’s performance image.

