Italy vs Switzerland — 1973 vs 1970
| 365 GT4 BB | Hai 450 SS Mid-Engine | |
|---|---|---|
| Horsepower | 380 hp | 450 hp |
| Torque | 306 lb-ft | 465 lb-ft |
| Engine Size | 4,390 cc | 6,974 cc |
| 0-60 mph | 5.4 sec | 4.5 sec |
| Top Speed | 188 mph | 180 mph |
| ¼ Mile | 13.5 sec | 12.5 sec |
| Weight | 3,373 lbs | 2,646 lbs |
| Wheelbase | 2,500 mm | 2,600 mm |
| Length | 4,400 mm | 4,300 mm |
| Units Produced | 387 | 2 |
| Original MSRP | $38,000 | — |
| Value (Excellent) | $800,000 | $5,000,000 |
| Collectibility | 9/10 | 10/10 |
| Rarity | 8/10 | 10/10 |
The 1970 Monteverdi Hai 450 SS Mid-Engine emerges ahead in most objective measures, offering more power, quicker acceleration, lighter weight. The 1973 Ferrari 365 GT4 BB counters with higher top speed, better value, but the numbers favor its rival. Still, both are remarkable machines, and the final choice often comes down to which driving experience speaks to you.
Putting the 1973 Ferrari 365 GT4 BB against the 1970 Monteverdi Hai 450 SS Mid-Engine is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — Italy versus Switzerland. The 1970 Monteverdi Hai 450 SS Mid-Engine holds a clear advantage in raw power with 450 hp compared to 380 hp, a 70-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Ferrari 365 GT4 BB uses a Flat-12 DOHC displacing 4,390 cc, while the Monteverdi Hai 450 SS relies on a V8 OHV with 6,974 cc. In the sprint to 60 mph, the 1970 Monteverdi Hai 450 SS Mid-Engine edges ahead at 4.5 seconds versus 5.4 seconds. The Monteverdi Hai 450 SS carries a weight advantage, tipping the scales 727 lbs lighter. Rarity plays a significant role here — with only 2 units built, the 1970 Monteverdi Hai 450 SS Mid-Engine is considerably scarcer than the Ferrari 365 GT4 BB's 387 examples. On the collector market, the 1970 Monteverdi Hai 450 SS Mid-Engine commands a significant premium over the 1973 Ferrari 365 GT4 BB, reflecting differences in prestige and rarity.