The 930 Turbo ran 1976-1989 with two engine eras: 3.0L for 1976-77 and 3.3L from 1978 onward, with only small updates (brakes, minor mechanical refinements) over the long production. 1978 ROW cars came with the full 300 HP engine; US-market cars were smog-equipped at 265 HP. …
930 Turbo: 3.0L (1976-77) → 3.3L (1978-89); ROW 300 HP vs US 265 HP
Porsche 911 (G-series) · drivetrain