USA vs USA — 1970 vs 1974
| AMX 390 Big Bad | Matador X Oleg Cassini | |
|---|---|---|
| Horsepower | 325 hp | 255 hp |
| Torque | 425 lb-ft | 380 lb-ft |
| Engine Size | 6,391 cc | 6,555 cc |
| 0-60 mph | 6.6 sec | 9.5 sec |
| Top Speed | 130 mph | 110 mph |
| ¼ Mile | 14.4 sec | 17.2 sec |
| Weight | 3,300 lbs | 4,000 lbs |
| Wheelbase | 2,794 mm | 2,896 mm |
| Length | 4,877 mm | 5,410 mm |
| Units Produced | 4,116 | 3,674 |
| Original MSRP | $3,395 | $4,793 |
| Value (Excellent) | $65,000 | $35,000 |
| Collectibility | 8/10 | 6/10 |
| Rarity | 7/10 | 8/10 |
The 1970 AMC AMX 390 Big Bad holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1974 AMC Matador X Oleg Cassini brings 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.
Within the AMC stable, the 1970 AMC AMX 390 Big Bad and 1974 AMC Matador X Oleg Cassini represent different approaches to performance and purpose. Both carry the AMC badge, yet each carves out its own distinct identity. The 1970 AMC AMX 390 Big Bad holds a clear advantage in raw power with 325 hp compared to 255 hp, a 70-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the AMC AMX uses a V8 OHV (AMC 390) displacing 6,391 cc, while the AMC Matador relies on a V8 OHV with 6,555 cc. In the sprint to 60 mph, the 1970 AMC AMX 390 Big Bad edges ahead at 6.6 seconds versus 9.5 seconds. The AMC AMX carries a weight advantage, tipping the scales 700 lbs lighter. On the collector market, the 1970 AMC AMX 390 Big Bad commands a significant premium over the 1974 AMC Matador X Oleg Cassini, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1970 AMC AMX 390 Big Bad rates higher among enthusiasts and auction houses.