Germany vs Germany — 1986 vs 1971
| 959 Sport | 917 K | |
|---|---|---|
| Horsepower | 450 hp | 580 hp |
| Torque | 369 lb-ft | 428 lb-ft |
| Engine Size | 2,849 cc | 4,907 cc |
| 0-60 mph | 3.6 sec | 2.3 sec |
| Top Speed | 197 mph | 224 mph |
| ¼ Mile | 11.8 sec | 9.8 sec |
| Weight | 3,197 lbs | 1,764 lbs |
| Wheelbase | 2,272 mm | 2,300 mm |
| Length | 4,260 mm | 4,140 mm |
| Units Produced | 337 | 12 |
| Original MSRP | $225,000 | — |
| Value (Excellent) | $3,500,000 | $20,000,000 |
| Collectibility | 10/10 | 10/10 |
| Rarity | 9/10 | 10/10 |
The 1971 Porsche 917 K emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1986 Porsche 959 Sport counters with 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.
Within the Porsche stable, the 1986 Porsche 959 Sport and 1971 Porsche 917 K represent different approaches to performance and purpose. Both carry the Porsche badge, yet each carves out its own distinct identity. The 1971 Porsche 917 K holds a clear advantage in raw power with 580 hp compared to 450 hp, a 130-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Porsche 959 uses a Flat-6 Twin-Turbo (Sequential) displacing 2,849 cc, while the Porsche 917 relies on a Flat-12 DOHC with 4,907 cc. In the sprint to 60 mph, the 1971 Porsche 917 K edges ahead at 2.3 seconds versus 3.6 seconds. The Porsche 917 carries a weight advantage, tipping the scales 1433 lbs lighter. Rarity plays a significant role here — with only 12 units built, the 1971 Porsche 917 K is considerably scarcer than the Porsche 959's 337 examples. On the collector market, the 1971 Porsche 917 K commands a significant premium over the 1986 Porsche 959 Sport, reflecting differences in prestige and rarity.