Porsche 944 Turbo S 951

Porsche 944 Turbo S 951

The Porsche 944 Turbo S, introduced in 1988 as the Silver Rose edition and continuing through 1991 as the standard top-spec 944 Turbo, represented the absolute pinnacle of Porsche's front-engine, rear-transaxle sports car program. With 250 horsepower from its turbocharged 2.5-liter inline-four, it was the most powerful four-cylinder production car in the world, a remarkable achievement for an engine architecture that most manufacturers reserved for economy cars.

The 944 Turbo S engine was a masterwork of four-cylinder engineering. Based on the standard 944 Turbo's 2.5-liter unit, the S version received a larger KKK K26-8 turbocharger, revised exhaust manifold, improved intercooler, higher boost pressure (1.0 bar versus 0.75), and recalibrated Bosch Motronic DME engine management. The result was 250 horsepower at 6,000 RPM and 258 lb-ft of torque, representing increases of 30 hp and 15 lb-ft over the standard Turbo. More significantly, the power delivery was refined, with a broader torque curve and less turbo lag than the base turbo model.

The 944 platform was ideally suited to the increased performance. The front-engine, rear-transaxle layout provided near-perfect 50/50 weight distribution, giving the car handling balance that was superior to any contemporary 911. The transaxle configuration placed the gearbox at the rear axle, connected to the engine by a rigid torque tube. This arrangement not only optimized weight distribution but also provided a direct, mechanical shift feel that was among the best in the industry.

The Turbo S received a comprehensive chassis upgrade to exploit its additional power. The suspension was lowered and stiffened with sport-calibrated Koni shock absorbers. The front and rear anti-roll bars were thicker than the standard Turbo's. The Turbo S rode on 16-inch forged Club Sport wheels that saved unsprung weight while providing a wider tire footprint. Brembo four-piston calipers gripped ventilated discs at all four corners, providing braking performance commensurate with the car's speed.

The initial 1988 Turbo S was offered as the Silver Rose edition, a limited-production model distinguished by its Silver Rose metallic paint, burgundy partial leather interior, and a comprehensive list of standard equipment. From 1989 onwards, the Turbo S specification became the sole 944 Turbo configuration, with the lower-output version discontinued.

Driving a 944 Turbo S reveals why many Porsche enthusiasts consider the transaxle cars to be the best-handling Porsches ever made. The near-perfect weight distribution eliminates the rear-heaviness that characterizes the 911, providing neutral handling that inspires immediate confidence. The steering is precise and well-weighted, the brakes are powerful and progressive, and the five-speed gearbox shifts with a satisfying mechanical precision. The turbocharged four-cylinder delivers its power with a building intensity that, once the turbocharger spools fully, provides acceleration that was legitimately supercar-quick by 1988 standards.

The 944 Turbo S also served as the technical foundation for the 944 S2 and the final 968 model that succeeded it. The lessons learned in extracting 250 reliable horsepower from a 2.5-liter four-cylinder influenced Porsche's approach to forced induction for decades. The engineering team's deep understanding of turbocharger matching, intercooler efficiency, and engine management calibration was refined through the 944 Turbo S program.

For years, the 944 was considered the affordable Porsche, overshadowed by the glamour of the 911. However, values of the Turbo S have risen substantially as a new generation of enthusiasts has discovered its exceptional driving dynamics. Clean, well-maintained examples now command $50,000-$110,000, a dramatic increase from the sub-$20,000 prices that prevailed just a decade ago. The 944 Turbo S is increasingly recognized for what it always was: one of the most complete sports cars of the 1980s, a car that prioritized chassis balance and driver engagement over displacement and cylinder count.