Italy vs Italy — 1965 vs 1963
| Grifo GL 7 Litri | Grifo GL | |
|---|---|---|
| Horsepower | 435 hp | 300 hp |
| Torque | 465 lb-ft | 350 lb-ft |
| Engine Size | 6,997 cc | 5,359 cc |
| 0-60 mph | 5.5 sec | 6.4 sec |
| Top Speed | 170 mph | 162 mph |
| ¼ Mile | 13.8 sec | 14.8 sec |
| Weight | 3,483 lbs | 3,197 lbs |
| Wheelbase | 2,550 mm | 2,550 mm |
| Length | 4,400 mm | 4,445 mm |
| Units Produced | 90 | 504 |
| Original MSRP | $14,500 | $11,500 |
| Value (Excellent) | $900,000 | $650,000 |
| Collectibility | 9/10 | 8/10 |
| Rarity | 9/10 | 8/10 |
On balance, the 1965 ISO Grifo GL 7 Litri makes a stronger case on paper with more power, quicker acceleration, higher top speed. However, the 1963 Iso Grifo GL counters with lighter weight, and its appeal extends beyond mere numbers. Choose the 1965 ISO Grifo GL 7 Litri for outright capability, or the 1963 Iso Grifo GL for a more distinctive ownership experience.
Few model names carry as much weight as the ISO Grifo. The 1965 and 1963 iterations represent different chapters in this storied nameplate's history, each reflecting the priorities and technologies of its era. The 1965 ISO Grifo GL 7 Litri holds a clear advantage in raw power with 435 hp compared to 300 hp, a 135-horsepower difference that shapes the driving experience. In the sprint to 60 mph, the 1965 ISO Grifo GL 7 Litri edges ahead at 5.5 seconds versus 6.4 seconds. The Iso Grifo carries a weight advantage, tipping the scales 286 lbs lighter. Rarity plays a significant role here — with only 90 units built, the 1965 ISO Grifo GL 7 Litri is considerably scarcer than the Iso Grifo's 504 examples. Both trade at comparable values on the collector market, making the choice between them largely one of personal preference.