USA vs USA — 1970 vs 1968
| Javelin AMX | Javelin SST 390 | |
|---|---|---|
| Horsepower | 325 hp | 315 hp |
| Torque | 420 lb-ft | 425 lb-ft |
| Engine Size | 6,391 cc | 6,391 cc |
| 0-60 mph | 6.5 sec | 6.8 sec |
| Top Speed | 121 mph | 125 mph |
| ¼ Mile | 14.6 sec | 14.8 sec |
| Weight | — | 3,200 lbs |
| Wheelbase | 2,743 mm | 2,794 mm |
| Length | 4,737 mm | 4,877 mm |
| Units Produced | — | 56,462 |
| Original MSRP | — | $2,740 |
| Value (Excellent) | $65,000 | $45,000 |
| Collectibility | 5/10 | 7/10 |
| Rarity | 7/10 | 6/10 |
The 1968 AMC Javelin SST 390 emerges ahead in most objective measures, offering higher top speed, stronger collectibility, better value. The 1970 AMC Javelin AMX counters with quicker acceleration, 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 AMC Javelin lineage tells a fascinating story of automotive evolution. Comparing the 1970 AMC Javelin AMX with the 1968 AMC Javelin SST 390 reveals how AMC refined and reimagined one of its most important nameplates over the years. On paper, the two are remarkably close in power output, with the 1970 AMC Javelin AMX producing 325 hp and the 1968 AMC Javelin SST 390 delivering 315 hp. Under the hood, the contrast is notable: the AMC Javelin uses a V8 OHV 16V displacing 6,391 cc, while the AMC Javelin relies on a V8 OHV (AMC 390) with 6,391 cc. In the sprint to 60 mph, the 1970 AMC Javelin AMX edges ahead at 6.5 seconds versus 6.8 seconds. From a collectibility standpoint, the 1968 AMC Javelin SST 390 rates higher among enthusiasts and auction houses.