USA vs USA — 1964 vs 1968
| Mustang K-Code Hi-Performance | Javelin SST 390 | |
|---|---|---|
| Horsepower | 271 hp | 315 hp |
| Torque | 314 lb-ft | 425 lb-ft |
| Engine Size | 4,736 cc | 6,391 cc |
| 0-60 mph | 6.5 sec | 6.8 sec |
| Top Speed | 130 mph | 125 mph |
| ¼ Mile | 14.8 sec | 14.8 sec |
| Weight | 2,678 lbs | 3,200 lbs |
| Wheelbase | 2,743 mm | 2,794 mm |
| Length | 4,613 mm | 4,877 mm |
| Units Produced | 7,273 | 56,462 |
| Original MSRP | $2,911 | $2,740 |
| Value (Excellent) | $150,000 | $45,000 |
| Collectibility | 9/10 | 7/10 |
| Rarity | 8/10 | 6/10 |
The 1964 Ford Mustang K-Code Hi-Performance holds an edge across most measurable criteria, offering quicker acceleration, higher top speed, lighter weight. That said, the 1968 AMC Javelin SST 390 brings more power, better value and remains a compelling choice for enthusiasts who value AMC heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
Among Pony Car enthusiasts, the matchup between the 1964 Ford Mustang K-Code Hi-Performance and 1968 AMC Javelin SST 390 is one for the ages. These Muscle era machines competed directly for buyers' attention and continue to vie for collectors' affections today. The 1968 AMC Javelin SST 390 holds a clear advantage in raw power with 315 hp compared to 271 hp, a 44-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 AMC Javelin relies on a V8 OHV (AMC 390) with 6,391 cc. In the sprint to 60 mph, the 1964 Ford Mustang K-Code Hi-Performance edges ahead at 6.5 seconds versus 6.8 seconds. The Ford Mustang carries a weight advantage, tipping the scales 522 lbs lighter. Rarity plays a significant role here — with only 7,273 units built, the 1964 Ford Mustang K-Code Hi-Performance is considerably scarcer than the AMC Javelin's 56,462 examples. On the collector market, the 1964 Ford Mustang K-Code Hi-Performance commands a significant premium over the 1968 AMC Javelin SST 390, 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.