Chassis No.

WP0ZZZ92ZKS841415



Bonneville Salt Flats, 7 August 1986, the Porsche 928 S4, piloted by Porsche factory driver Al Holbert, reached 171.926 mph (276.7 km/h), officially becoming the world's fastest catalyzed production car and the fastest production model available on the American market.



With nearly two decades of production, the 928 was Porsche's first model powered by a front-mounted V8, instantly recognizable by its expansive glass surfaces and large rear hatch.

Introduced in 1986, the Porsche 928 S4 was an evolution of the model, featuring a 5.0-liter V8 with four valves per cylinder, producing 320 PS, along with refined aerodynamics, redesigned bumpers, and a rear spoiler that increased high-speed stability and downforce while reducing drag.

These improvements helped recover the performance lost with the previous model due to emissions-control equipment, which had reduced output to 288 PS.



Delivered new in Switzerland in April 1989 through AMAG, this 928 S4 ...