USA vs USA — 1968 vs 1970
| AMX | AMX 390 Go Package | |
|---|---|---|
| Horsepower | 315 hp | 325 hp |
| Torque | 403 lb-ft | 420 lb-ft |
| Engine Size | 6,393 cc | 6,392 cc |
| 0-60 mph | 6.6 sec | 6.4 sec |
| Top Speed | 125 mph | 130 mph |
| ¼ Mile | 14.3 sec | 14.3 sec |
| Wheelbase | 2,388 mm | 2,438 mm |
| Length | 4,450 mm | 4,572 mm |
| Units Produced | 6,725 | 4,116 |
| Value (Excellent) | $75,000 | $90,000 |
| Collectibility | 5/10 | 5/10 |
| Rarity | 6/10 | 7/10 |
The 1970 AMC AMX 390 Go Package emerges ahead in most objective measures, offering quicker acceleration, higher top speed. The 1968 AMC AMX counters with its unique character, 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.
Tracing the evolution of the AMC AMX from 1968 to 1970 offers a compelling look at how automotive design and engineering progressed. These two variants showcase the changing face of AMC. On paper, the two are remarkably close in power output, with the 1968 AMC AMX producing 315 hp and the 1970 AMC AMX 390 Go Package delivering 325 hp. Under the hood, the contrast is notable: the AMC AMX uses a V8 OHV 16V displacing 6,393 cc, while the AMC AMX relies on a V8 OHV with 6,392 cc. In the sprint to 60 mph, the 1970 AMC AMX 390 Go Package edges ahead at 6.4 seconds versus 6.6 seconds. Both trade at comparable values on the collector market, making the choice between them largely one of personal preference.