Porsche 911 Turbo

vs

Porsche 911 SC

Germany vs West Germany — 1975 vs 1978

Porsche 911 Turbo (1975)
Porsche 911 SC (1978)
Specifications
911 Turbo 3.3 (930)911 SC Targa
Horsepower300 hp180 hp
Torque318 lb-ft196 lb-ft
Engine Size3,299 cc2,994 cc
0-60 mph5.0 sec6.3 sec
Top Speed162 mph146 mph
¼ Mile13.3 sec14.8 sec
Weight2,557 lbs
Wheelbase2,272 mm2,272 mm
Length4,291 mm4,291 mm
Units Produced18,77058,914
Original MSRP$27,450
Value (Excellent)$250,000$150,000
Collectibility5/107/10
Rarity5/104/10
The Verdict

The 1975 Porsche 911 Turbo 3.3 (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 stronger collectibility, 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.

Overview

The Porsche 911 Turbo lineage tells a fascinating story of automotive evolution. Comparing the 1975 Porsche 911 Turbo 3.3 (930) with the 1978 Porsche 911 SC Targa reveals how Porsche refined and reimagined one of its most important nameplates over the years. The 1975 Porsche 911 Turbo 3.3 (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 Turbo uses a Flat-6 SOHC 12V Turbo 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 3.3 (930) edges ahead at 5.0 seconds versus 6.3 seconds. From a collectibility standpoint, the 1978 Porsche 911 SC Targa rates higher among enthusiasts and auction houses.