Italy vs Italy — 1963 vs 1966
| 2500 GT Allemano Coupe | 400 GT 2+2 | |
|---|---|---|
| Horsepower | 245 hp | 320 hp |
| Torque | 188 lb-ft | 268 lb-ft |
| Engine Size | 2,467 cc | 3,929 cc |
| 0-60 mph | 6.5 sec | 6.5 sec |
| Top Speed | 155 mph | 168 mph |
| ¼ Mile | 14.8 sec | 14.5 sec |
| Weight | 2,072 lbs | 2,822 lbs |
| Wheelbase | 2,350 mm | 2,550 mm |
| Length | 4,090 mm | 4,580 mm |
| Units Produced | 12 | 247 |
| Original MSRP | — | $14,750 |
| Value (Excellent) | $1,500,000 | $1,000,000 |
| Collectibility | 10/10 | 9/10 |
| Rarity | 10/10 | 8/10 |
It's a closely fought contest. The 1963 ATS 2500 GT Allemano Coupe brings lighter weight, greater rarity, stronger collectibility to the table, and the 1966 Lamborghini 400 GT 2+2 answers with more power, quicker acceleration, higher top speed. Both are excellent machines that reward their owners in different ways — there's no wrong answer here.
In the world of Grand Tourer cars, few comparisons generate as much discussion as the 1963 ATS 2500 GT Allemano Coupe versus the 1966 Lamborghini 400 GT 2+2. Both hail from Muscle era and represent the pinnacle of their respective manufacturers' ambitions. The 1966 Lamborghini 400 GT 2+2 holds a clear advantage in raw power with 320 hp compared to 245 hp, a 75-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the ATS 2500 GT uses a V8 DOHC displacing 2,467 cc, while the Lamborghini 400 GT relies on a V12 DOHC with 3,929 cc. In the sprint to 60 mph, the 1966 Lamborghini 400 GT 2+2 edges ahead at 6.5 seconds versus 6.5 seconds. The ATS 2500 GT carries a weight advantage, tipping the scales 750 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 Lamborghini 400 GT's 247 examples. Both trade at comparable values on the collector market, making the choice between them largely one of personal preference.