The rivalry between Italy and Germany automotive industries has produced legendary matchups, and the 1975 Ferrari 308 GTB versus 1981 Porsche 930 Turbo Flachbau Slantnose is among the most fascinating. These two cars represent the best of their national engineering schools. 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 Ferrari 308 uses a V8 DOHC displacing 2,927 cc, while the Porsche 930 Turbo relies on a Flat-6 SOHC Turbocharged 12V with 3,299 cc. In the sprint to 60 mph, the 1981 Porsche 930 Turbo Flachbau Slantnose edges ahead at 4.6 seconds versus 6.5 seconds. The Ferrari 308 carries a weight advantage, tipping the scales 540 lbs lighter. Rarity plays a significant role here — with only 948 units built, the 1981 Porsche 930 Turbo Flachbau Slantnose is considerably scarcer than the Ferrari 308's 12,004 examples. On the collector market, the 1981 Porsche 930 Turbo Flachbau Slantnose commands a significant premium over the 1975 Ferrari 308 GTB, reflecting differences in prestige and rarity.