Germany vs Germany — 1971 vs 1978
| 917 K | 935 Turbo | |
|---|---|---|
| Horsepower | 580 hp | 750 hp |
| Torque | 428 lb-ft | 590 lb-ft |
| Engine Size | 4,907 cc | 3,211 cc |
| 0-60 mph | 2.3 sec | 2.8 sec |
| Top Speed | 224 mph | 221 mph |
| ¼ Mile | 9.8 sec | 10.2 sec |
| Weight | 1,764 lbs | 2,260 lbs |
| Wheelbase | 2,300 mm | 2,272 mm |
| Length | 4,140 mm | 4,625 mm |
| Units Produced | 12 | 13 |
| Value (Excellent) | $20,000,000 | $6,000,000 |
| Collectibility | 10/10 | 10/10 |
| Rarity | 10/10 | 10/10 |
This matchup is remarkably close. The 1971 Porsche 917 K offers quicker acceleration, higher top speed, lighter weight, while the 1978 Porsche 935 Turbo counters with more power, better value. Neither holds a decisive advantage, making this a true enthusiast's dilemma. Your choice ultimately depends on which driving philosophy resonates more with you.
Within the Porsche stable, the 1971 Porsche 917 K and 1978 Porsche 935 Turbo represent different approaches to performance and purpose. Both carry the Porsche badge, yet each carves out its own distinct identity. The 1978 Porsche 935 Turbo holds a clear advantage in raw power with 750 hp compared to 580 hp, a 170-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Porsche 917 uses a Flat-12 DOHC displacing 4,907 cc, while the Porsche 935 relies on a Flat-6 Turbocharged with 3,211 cc. In the sprint to 60 mph, the 1971 Porsche 917 K edges ahead at 2.3 seconds versus 2.8 seconds. The Porsche 917 carries a weight advantage, tipping the scales 496 lbs lighter. On the collector market, the 1971 Porsche 917 K commands a significant premium over the 1978 Porsche 935 Turbo, reflecting differences in prestige and rarity.