embodies the elegance and power that defined Porsche’s grand tourer during its era. Powered by a 5.0-liter DOHC V8 engine paired with a four-speed automatic transaxle, this 928 S4 was factory ...

The 5.0L 928 S4 debuted as a 1987 model ... 5:1 to compensate for the added pressure from its turbocharger. The Porsche 924 ...