Germany vs West Germany — 1975 vs 1978
| 911 Turbo (930) | 911 SC Targa | |
|---|---|---|
| Horsepower | 300 hp | 180 hp |
| Torque | 304 lb-ft | 196 lb-ft |
| Engine Size | 3,299 cc | 2,994 cc |
| 0-60 mph | 5.0 sec | 6.3 sec |
| Top Speed | 162 mph | 146 mph |
| ¼ Mile | 13.5 sec | 14.8 sec |
| Weight | 2,866 lbs | 2,557 lbs |
| Wheelbase | 2,272 mm | 2,272 mm |
| Length | 4,291 mm | 4,291 mm |
| Units Produced | 21,589 | 58,914 |
| Original MSRP | $62,000 | $27,450 |
| Value (Excellent) | $300,000 | $150,000 |
| Collectibility | 9/10 | 7/10 |
| Rarity | 5/10 | 4/10 |
The 1975 Porsche 911 Turbo (930) holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1978 Porsche 911 SC Targa brings lighter weight, better value and remains a compelling choice for enthusiasts who value Porsche heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
Tracing the evolution of the Porsche 911 from 1975 to 1978 offers a compelling look at how automotive design and engineering progressed. These two variants showcase the changing face of Porsche. The 1975 Porsche 911 Turbo (930) holds a clear advantage in raw power with 300 hp compared to 180 hp, a 120-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Porsche 911 uses a Flat-6 SOHC Turbocharged air-cooled displacing 3,299 cc, while the Porsche 911 SC relies on a Flat-6 SOHC with 2,994 cc. In the sprint to 60 mph, the 1975 Porsche 911 Turbo (930) edges ahead at 5.0 seconds versus 6.3 seconds. The Porsche 911 SC carries a weight advantage, tipping the scales 309 lbs lighter. From a collectibility standpoint, the 1975 Porsche 911 Turbo (930) rates higher among enthusiasts and auction houses.