Porsche 911 S 2.7 (1974 – 1977)
New impact bumpers and larger 2,687 cc engine. The "S" was the middle variant in the lineup
Porsche 911 S Signature (1977)
Commemorating 25 years of Porsche sports car production
Porsche 911 25th Anniversary Edition (1975)
Commemorating 25 years of Porsche sports car production