USA vs USA — 1964 vs 1966
| Mustang K-Code Hi-Performance | GT40 Mk I | |
|---|---|---|
| Horsepower | 271 hp | 380 hp |
| Torque | 314 lb-ft | 332 lb-ft |
| Engine Size | 4,736 cc | 4,736 cc |
| 0-60 mph | 6.5 sec | 5.3 sec |
| Top Speed | 130 mph | 200 mph |
| ¼ Mile | 14.8 sec | 12.5 sec |
| Weight | 2,678 lbs | — |
| Wheelbase | 2,743 mm | 2,413 mm |
| Length | 4,613 mm | 4,267 mm |
| Units Produced | 7,273 | 105 |
| Original MSRP | $2,911 | — |
| Value (Excellent) | $150,000 | $12,000,000 |
| Collectibility | 9/10 | 5/10 |
| Rarity | 8/10 | 10/10 |
The 1966 Ford GT40 Mk I emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1964 Ford Mustang K-Code Hi-Performance counters with stronger collectibility, 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.
The 1964 Ford Mustang K-Code Hi-Performance and 1966 Ford GT40 Mk I share a manufacturer in Ford, but that's where the similarities get interesting. These two models reveal the versatility and ambition of the Ford brand. The 1966 Ford GT40 Mk I holds a clear advantage in raw power with 380 hp compared to 271 hp, a 109-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Ford Mustang uses a V8 OHV (solid lifter, high-performance) displacing 4,736 cc, while the Ford GT40 relies on a V8 OHV 16V with 4,736 cc. In the sprint to 60 mph, the 1966 Ford GT40 Mk I edges ahead at 5.3 seconds versus 6.5 seconds. Rarity plays a significant role here — with only 105 units built, the 1966 Ford GT40 Mk I is considerably scarcer than the Ford Mustang's 7,273 examples. On the collector market, the 1966 Ford GT40 Mk I commands a significant premium over the 1964 Ford Mustang K-Code Hi-Performance, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1964 Ford Mustang K-Code Hi-Performance rates higher among enthusiasts and auction houses.