Italy vs Italy — 1963 vs 1973
| 2500 GT Allemano Coupe | Khamsin | |
|---|---|---|
| Horsepower | 245 hp | 320 hp |
| Torque | 188 lb-ft | 332 lb-ft |
| Engine Size | 2,467 cc | 4,930 cc |
| 0-60 mph | 6.5 sec | 6.8 sec |
| Top Speed | 155 mph | 155 mph |
| ¼ Mile | 14.8 sec | 15.0 sec |
| Weight | 2,072 lbs | 3,814 lbs |
| Wheelbase | 2,350 mm | 2,550 mm |
| Length | 4,090 mm | 4,550 mm |
| Units Produced | 12 | 430 |
| Original MSRP | — | $28,500 |
| Value (Excellent) | $1,500,000 | $250,000 |
| Collectibility | 10/10 | 8/10 |
| Rarity | 10/10 | 8/10 |
On balance, the 1963 ATS 2500 GT Allemano Coupe makes a stronger case on paper with quicker acceleration, lighter weight, greater rarity. However, the 1973 Maserati Khamsin counters with more power, better value, and its appeal extends beyond mere numbers. Choose the 1963 ATS 2500 GT Allemano Coupe for outright capability, or the 1973 Maserati Khamsin for a more distinctive ownership experience.
In the world of Grand Tourer cars, few comparisons generate as much discussion as the 1963 ATS 2500 GT Allemano Coupe versus the 1973 Maserati Khamsin. Both hail from Muscle era and represent the pinnacle of their respective manufacturers' ambitions. The 1973 Maserati Khamsin holds a clear advantage in raw power with 320 hp compared to 245 hp, a 75-horsepower difference that shapes the driving experience. In the sprint to 60 mph, the 1963 ATS 2500 GT Allemano Coupe edges ahead at 6.5 seconds versus 6.8 seconds. The ATS 2500 GT carries a weight advantage, tipping the scales 1742 lbs lighter. Rarity plays a significant role here — with only 12 units built, the 1963 ATS 2500 GT Allemano Coupe is considerably scarcer than the Maserati Khamsin's 430 examples. On the collector market, the 1963 ATS 2500 GT Allemano Coupe commands a significant premium over the 1973 Maserati Khamsin, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1963 ATS 2500 GT Allemano Coupe rates higher among enthusiasts and auction houses.