Italy vs Germany — 1990 vs 1991
| SZ Sprint Zagato | 911 964 Turbo | |
|---|---|---|
| Horsepower | 210 hp | 320 hp |
| Torque | 181 lb-ft | 332 lb-ft |
| Engine Size | 2,959 cc | 3,299 cc |
| 0-60 mph | 7.0 sec | 4.8 sec |
| Top Speed | 152 mph | 168 mph |
| ¼ Mile | 15.1 sec | 13.2 sec |
| Weight | 2,778 lbs | 3,241 lbs |
| Wheelbase | 2,510 mm | 2,272 mm |
| Length | 4,090 mm | 4,250 mm |
| Units Produced | 1,036 | 3,660 |
| Original MSRP | $55,000 | $99,000 |
| Value (Excellent) | $150,000 | $350,000 |
| Collectibility | 8/10 | 9/10 |
| Rarity | 8/10 | 8/10 |
Two outstanding machines, each with compelling strengths. The 1990 Alfa Romeo SZ Sprint Zagato excels in lighter weight, greater rarity, better value, while the 1991 Porsche 911 964 Turbo stands out for more power, quicker acceleration, higher top speed. The best advice? Drive both if you can, then follow your instincts.
Putting the 1990 Alfa Romeo SZ Sprint Zagato against the 1991 Porsche 911 964 Turbo is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — Italy versus Germany. The 1991 Porsche 911 964 Turbo holds a clear advantage in raw power with 320 hp compared to 210 hp, a 110-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Alfa Romeo SZ uses a V6 SOHC displacing 2,959 cc, while the Porsche 911 relies on a Flat-6 Turbocharged with 3,299 cc. In the sprint to 60 mph, the 1991 Porsche 911 964 Turbo edges ahead at 4.8 seconds versus 7.0 seconds. The Alfa Romeo SZ carries a weight advantage, tipping the scales 463 lbs lighter. Rarity plays a significant role here — with only 1,036 units built, the 1990 Alfa Romeo SZ Sprint Zagato is considerably scarcer than the Porsche 911's 3,660 examples. On the collector market, the 1991 Porsche 911 964 Turbo commands a significant premium over the 1990 Alfa Romeo SZ Sprint Zagato, reflecting differences in prestige and rarity.