Italy vs Switzerland — 1973 vs 1970
| Pantera GTS | Hai 450 SS Coupe | |
|---|---|---|
| Horsepower | 330 hp | 450 hp |
| Torque | 344 lb-ft | 470 lb-ft |
| Engine Size | 5,763 cc | 6,974 cc |
| 0-60 mph | 5.5 sec | 4.8 sec |
| Top Speed | 161 mph | 180 mph |
| ¼ Mile | 13.5 sec | 13.2 sec |
| Weight | — | 2,976 lbs |
| Wheelbase | 2,515 mm | 2,500 mm |
| Length | 4,267 mm | 4,300 mm |
| Units Produced | — | 2 |
| Value (Excellent) | $250,000 | $3,000,000 |
| Collectibility | 5/10 | 10/10 |
| Rarity | 5/10 | 10/10 |
The 1970 Monteverdi Hai 450 SS Coupe emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1973 De Tomaso Pantera GTS counters with 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 De Tomaso Pantera GTS against the 1970 Monteverdi Hai 450 SS Coupe 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 Coupe holds a clear advantage in raw power with 450 hp compared to 330 hp, a 120-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the De Tomaso Pantera uses a V8 OHV displacing 5,763 cc, while the Monteverdi Hai 450 SS relies on a V8 OHV Hemi with 6,974 cc. In the sprint to 60 mph, the 1970 Monteverdi Hai 450 SS Coupe edges ahead at 4.8 seconds versus 5.5 seconds. On the collector market, the 1970 Monteverdi Hai 450 SS Coupe commands a significant premium over the 1973 De Tomaso Pantera GTS, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1970 Monteverdi Hai 450 SS Coupe rates higher among enthusiasts and auction houses.