Germany vs West Germany — 1973 vs 1978
| 911 Carrera RS 3.0 (G-body) | 911 SC Targa | |
|---|---|---|
| Horsepower | 230 hp | 180 hp |
| Torque | 203 lb-ft | 196 lb-ft |
| Engine Size | 2,994 cc | 2,994 cc |
| 0-60 mph | 5.5 sec | 6.3 sec |
| Top Speed | 155 mph | 146 mph |
| ¼ Mile | 13.8 sec | 14.8 sec |
| Weight | — | 2,557 lbs |
| Wheelbase | 2,272 mm | 2,272 mm |
| Length | 4,291 mm | 4,291 mm |
| Units Produced | 109 | 58,914 |
| Original MSRP | — | $27,450 |
| Value (Excellent) | $1,500,000 | $150,000 |
| Collectibility | 5/10 | 7/10 |
| Rarity | 10/10 | 4/10 |
On balance, the 1973 Porsche 911 Carrera RS 3.0 (G-body) makes a stronger case on paper with more power, quicker acceleration, higher top speed. However, the 1978 Porsche 911 SC Targa counters with stronger collectibility, better value, and its appeal extends beyond mere numbers. Choose the 1973 Porsche 911 Carrera RS 3.0 (G-body) for outright capability, or the 1978 Porsche 911 SC Targa for a more distinctive ownership experience.
Few model names carry as much weight as the Porsche 911. The 1973 and 1978 iterations represent different chapters in this storied nameplate's history, each reflecting the priorities and technologies of its era. The 1973 Porsche 911 Carrera RS 3.0 (G-body) holds a clear advantage in raw power with 230 hp compared to 180 hp, a 50-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Porsche 911 uses a Flat-6 SOHC 12V displacing 2,994 cc, while the Porsche 911 SC relies on a Flat-6 SOHC with 2,994 cc. In the sprint to 60 mph, the 1973 Porsche 911 Carrera RS 3.0 (G-body) edges ahead at 5.5 seconds versus 6.3 seconds. Rarity plays a significant role here — with only 109 units built, the 1973 Porsche 911 Carrera RS 3.0 (G-body) is considerably scarcer than the Porsche 911 SC's 58,914 examples. On the collector market, the 1973 Porsche 911 Carrera RS 3.0 (G-body) commands a significant premium over the 1978 Porsche 911 SC Targa, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1978 Porsche 911 SC Targa rates higher among enthusiasts and auction houses.