Italy vs Italy — 1966 vs 1987
| Spider 1750 Veloce (Duetto) | 75 Turbo Evoluzione IMSA | |
|---|---|---|
| Horsepower | 118 hp | 155 hp |
| Torque | 116 lb-ft | 167 lb-ft |
| Engine Size | 1,779 cc | 1,779 cc |
| 0-60 mph | 9.5 sec | 6.5 sec |
| Top Speed | 118 mph | 137 mph |
| ¼ Mile | 17.0 sec | 15.0 sec |
| Weight | — | 2,381 lbs |
| Wheelbase | 2,250 mm | 2,510 mm |
| Length | 4,120 mm | 4,380 mm |
| Units Produced | 8,620 | 500 |
| Value (Excellent) | $70,000 | $150,000 |
| Collectibility | 5/10 | 8/10 |
| Rarity | 3/10 | 8/10 |
Numbers favor the 1987 Alfa Romeo 75 Turbo Evoluzione IMSA with more power, quicker acceleration, higher top speed. The 1966 Alfa Romeo Spider 1750 Veloce (Duetto) offers better value, and has its own devoted following. For those who let their heart decide, either car delivers a rewarding ownership experience.
Alfa Romeo has long offered a diverse lineup, and comparing the 1966 Alfa Romeo Spider 1750 Veloce (Duetto) with the 1987 Alfa Romeo 75 Turbo Evoluzione IMSA highlights the breadth of the marque's engineering philosophy. The 1987 Alfa Romeo 75 Turbo Evoluzione IMSA holds a clear advantage in raw power with 155 hp compared to 118 hp, a 37-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Alfa Romeo Spider uses a Inline-4 DOHC 8V displacing 1,779 cc, while the Alfa Romeo 75 Turbo Evoluzione relies on a Inline-4 DOHC 8V Turbocharged with 1,779 cc. In the sprint to 60 mph, the 1987 Alfa Romeo 75 Turbo Evoluzione IMSA edges ahead at 6.5 seconds versus 9.5 seconds. Rarity plays a significant role here — with only 500 units built, the 1987 Alfa Romeo 75 Turbo Evoluzione IMSA is considerably scarcer than the Alfa Romeo Spider's 8,620 examples. From a collectibility standpoint, the 1987 Alfa Romeo 75 Turbo Evoluzione IMSA rates higher among enthusiasts and auction houses.