2025 Porsche Cayman GT4 RS Sonderwunsch: A Unique Take on a Performance Icon

Daily Car

01/01/2026

Q: What are the core parameters and highlights of the 2025 Porsche Cayman GT4 RS Sonderwunsch?

The 2025 Porsche Cayman GT4 RS is a high-performance sports car, renowned for its precise handling and power. It features a naturally aspirated 4.0-liter six-cylinder engine, delivering 493 horsepower and 331 lb-ft of torque. Power is sent to the rear wheels via a 7-speed dual-clutch PDK transmission for quick and smooth shifts. This particular model benefits from Porsche’s Sonderwunsch (Special Wishes) customization program, which allows for extensive personalization, including unique exterior and interior color schemes and upgraded materials. Over $50,000 worth of bespoke options were added to this car, making it a rare specification.

Q: How does the design of the Sonderwunsch GT4 RS differ from the standard model?

While the GT4 RS already stands out with aerodynamic bodywork and track-ready details, this Sonderwunsch edition is distinguished by a striking combination of Birch Green paint and bright blue accents. Blue finishes are found on the wheels, wing mirrors, wing end plates, and even the hood’s NACA ducts. Inside, blue leather is used for the seat bolsters, headrests, door panels, and dashboard trim. Green trim and contrast stitching extend the bold color theme throughout the cabin. Such a dramatic use of color is rarely seen in GT4 RS models, reflecting the broad scope allowed by Porsche’s bespoke Sonderwunsch program.

Q: What is the practicality and performance balance of this vehicle?

The GT4 RS is engineered for the track but remains road-legal, striking a balance between high performance and everyday usability. Its mid-engine layout contributes to excellent weight distribution and cornering capability. Despite the head-turning appearance, the core strengths of the Cayman GT4 RS — sharp steering, responsive handling, and formidable acceleration — remain intact. While storage space and ride comfort take a back seat to performance, the quality of interior materials and customization choices enhance the sense of occasion for every drive.

Q: How does it compare to similar models and market trends?

Within its segment, the GT4 RS competes with high-specification sports cars such as the Chevrolet Corvette Z06 and BMW M4 CSL. The Porsche stands apart for its naturally aspirated engine in an era increasingly dominated by turbocharging and electrification. The Sonderwunsch edition, with its specialized customizations, is aimed at buyers seeking exclusivity. The trend in the luxury and sports car market has been toward increasing personalization, and the Sonderwunsch program is Porsche’s answer, offering extensive custom options without compromising core performance.

Q: What is the significance of the Sonderwunsch program and what technical aspects stand out?

The Sonderwunsch program highlights Porsche’s focus on customer-centric customization. Technically, the GT4 RS’s advanced aerodynamics, lightweight construction, and sophisticated suspension system stand out. Terms such as “NACA duct” refer to specialized air intakes designed for efficient cooling with minimal drag, a feature often seen in high-performance and racing vehicles. This model demonstrates how personalization can be layered on top of an already accomplished technical platform without undermining performance.

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