Chris Harris heads to Porsche’s legendary Weissach proving ground and the scenic Black Forest to test one of the marque’s most debated creations—the open-top Porsche 911 S/C. Accompanied by Porsche GT division chief Andreas Preuninger, Harris sets out to determine whether removing the roof compromises the precision and motorsport DNA traditionally associated with Porsche’s high-performance 911 variants.
Initially skeptical of the concept, Harris admits he once viewed GT-badged Porsches as uncompromising driver’s machines, seemingly incompatible with convertible architecture. However, extensive road testing and track evaluation quickly reshape that perspective. Beneath the S/C’s controversial silhouette lies the same naturally aspirated 4.0-liter flat-six found in the GT3 and Touring, producing 520 horsepower and paired with a six-speed manual transmission that preserves an increasingly rare analog driving experience.
Preuninger explains that advances in body engineering have dramatically improved chassis rigidity compared with earlier generations. Rather than relying on exotic materials, Porsche optimized structural reinforcement through intelligent sheet-metal placement and advanced welding techniques, allowing the Cabriolet shell to maintain remarkable stiffness without incurring significant weight penalties. The result is a convertible that weighs no more than a heavily optioned GT3 Touring while delivering nearly identical handling precision.
At Weissach, the S/C proves its credentials. Harris reports minimal flex, razor-sharp steering response, and an unexpectedly playful balance aided by subtle rear-weight bias. Far from diluting the GT philosophy, the open-top configuration intensifies the sensory experience, amplifying the flat-six soundtrack and driver engagement.
What emerges is not a softened GT car, but a compelling reinterpretation of Porsche performance—one that challenges long-held assumptions about convertible sports cars without sacrificing the core driving dynamics enthusiasts expect.
Source: Chris Harris on Cars
