USA vs USA — 1968 vs 1966
| AMX 390 | Chevelle SS 396 L78 375hp | |
|---|---|---|
| Horsepower | 315 hp | 375 hp |
| Torque | — | 420 lb-ft |
| Engine Size | 6,391 cc | 6,489 cc |
| 0-60 mph | — | 5.8 sec |
| Top Speed | — | 130 mph |
| ¼ Mile | — | 14.0 sec |
| Weight | — | 3,400 lbs |
| Wheelbase | 2,489 mm | 2,946 mm |
| Length | 4,384 mm | 4,953 mm |
| Original MSRP | — | $2,980 |
| Value (Excellent) | $85,000 | $175,000 |
| Collectibility | 5/10 | 9/10 |
| Rarity | 10/10 | 8/10 |
This matchup is remarkably close. The 1968 AMC AMX 390 offers better value, while the 1966 Chevrolet Chevelle SS 396 L78 375hp counters with more power, stronger collectibility. Neither holds a decisive advantage, making this a true enthusiast's dilemma. Your choice ultimately depends on which driving philosophy resonates more with you.
The 1968 AMC AMX 390 and 1966 Chevrolet Chevelle SS 396 L78 375hp stand as two of the most notable Muscle Car cars from Muscle era. Both emerged during a period of intense competition, and choosing between them remains a passionate debate among collectors. The 1966 Chevrolet Chevelle SS 396 L78 375hp holds a clear advantage in raw power with 375 hp compared to 315 hp, a 60-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the AMC AMX uses a V8 displacing 6,391 cc, while the Chevrolet Chevelle SS 396 relies on a V8 OHV with 6,489 cc. From a collectibility standpoint, the 1966 Chevrolet Chevelle SS 396 L78 375hp rates higher among enthusiasts and auction houses.