West Germany vs Germany — 1978 vs 2019

| 911 SC Targa | 911 (992) GT3 | |
|---|---|---|
| Horsepower | 180 hp | 502 hp |
| Torque | 196 lb-ft | 346 lb-ft |
| Engine Size | 2,994 cc | 3,996 cc |
| 0-60 mph | 6.3 sec | 3.2 sec |
| Top Speed | 146 mph | 198 mph |
| ¼ Mile | 14.8 sec | 11.2 sec |
| Weight | 2,557 lbs | 3,126 lbs |
| Wheelbase | 2,272 mm | 2,457 mm |
| Length | 4,291 mm | 4,573 mm |
| Units Produced | 58,914 | — |
| Original MSRP | $27,450 | $161,100 |
| Value (Excellent) | $150,000 | $350,000 |
| Collectibility | 7/10 | 9/10 |
| Rarity | 4/10 | 6/10 |
The 2019 Porsche 911 (992) GT3 emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1978 Porsche 911 SC Targa counters with lighter weight, better value, but the numbers favor its rival. Still, both are remarkable machines, and the final choice often comes down to which driving experience speaks to you.
The Porsche 911 SC lineage tells a fascinating story of automotive evolution. Comparing the 1978 Porsche 911 SC Targa with the 2019 Porsche 911 (992) GT3 reveals how Porsche refined and reimagined one of its most important nameplates over the years. The 2019 Porsche 911 (992) GT3 holds a clear advantage in raw power with 502 hp compared to 180 hp, a 322-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Porsche 911 SC uses a Flat-6 SOHC displacing 2,994 cc, while the Porsche 911 (992) relies on a Flat-6 DOHC with 3,996 cc. In the sprint to 60 mph, the 2019 Porsche 911 (992) GT3 edges ahead at 3.2 seconds versus 6.3 seconds. The Porsche 911 SC carries a weight advantage, tipping the scales 569 lbs lighter. On the collector market, the 2019 Porsche 911 (992) GT3 commands a significant premium over the 1978 Porsche 911 SC Targa, reflecting differences in prestige and rarity. From a collectibility standpoint, the 2019 Porsche 911 (992) GT3 rates higher among enthusiasts and auction houses.