911 '65-'89

As the 1970s progressed, the Porsche 911 was further refined to meet federal safety and emissions standards. Larger, sturdier bumpers were added in 1974, marking the 911's first appearance change since introduction. At the same time, Porsche again upped engine displacement, this time to 2.7 liters. A revised lineup demoted the S to mid-range status, but a Targa version was still available.

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