Germany vs Italy — 1981 vs 1975
| 930 Turbo Flachbau Slantnose | 308 GT4 | |
|---|---|---|
| Horsepower | 330 hp | 255 hp |
| Torque | 318 lb-ft | 210 lb-ft |
| Engine Size | 3,299 cc | 2,926 cc |
| 0-60 mph | 4.6 sec | — |
| Top Speed | 168 mph | 154 mph |
| ¼ Mile | 12.8 sec | — |
| Weight | 2,943 lbs | 3,086 lbs |
| Wheelbase | 2,272 mm | 2,550 mm |
| Length | 4,291 mm | 4,369 mm |
| Units Produced | 948 | 2,826 |
| Original MSRP | $85,000 | $19,500 |
| Value (Excellent) | $650,000 | — |
| Collectibility | 9/10 | 7/10 |
| Rarity | 8/10 | 5/10 |
The 1981 Porsche 930 Turbo Flachbau Slantnose holds an edge across most measurable criteria, offering more power, higher top speed, greater rarity. That said, the 1975 Ferrari 308 GT4 brings its own distinct appeal and remains a compelling choice for enthusiasts who value Ferrari heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
When Germany engineering meets Italy craftsmanship, the result is one of the most compelling matchups in the classic car world. The 1981 Porsche 930 Turbo Flachbau Slantnose and 1975 Ferrari 308 GT4 embody their respective national automotive traditions while competing in the same arena. The 1981 Porsche 930 Turbo Flachbau Slantnose holds a clear advantage in raw power with 330 hp compared to 255 hp, a 75-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Porsche 930 Turbo uses a Flat-6 SOHC Turbocharged 12V displacing 3,299 cc, while the Ferrari 308 GT4 relies on a V8 with 2,926 cc. The 1981 Porsche 930 Turbo Flachbau Slantnose claims a higher top speed at 168 mph compared to 154 mph. From a collectibility standpoint, the 1981 Porsche 930 Turbo Flachbau Slantnose rates higher among enthusiasts and auction houses.