USA vs USA — 1969 vs 1978
| Rebel Machine 390 V8 | Concord AMX | |
|---|---|---|
| Horsepower | 340 hp | 140 hp |
| Torque | 430 lb-ft | 270 lb-ft |
| Engine Size | 6,391 cc | 5,898 cc |
| 0-60 mph | 6.4 sec | 11.5 sec |
| Top Speed | 121 mph | 103 mph |
| ¼ Mile | 14.4 sec | 18.0 sec |
| Weight | 3,500 lbs | 3,300 lbs |
| Wheelbase | 2,946 mm | 2,743 mm |
| Length | 5,067 mm | 4,826 mm |
| Units Produced | 2,326 | 2,540 |
| Original MSRP | $3,475 | $5,899 |
| Value (Excellent) | $110,000 | $28,000 |
| Collectibility | 8/10 | 6/10 |
| Rarity | 8/10 | 7/10 |
The 1969 AMC Rebel Machine 390 V8 holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1978 AMC Concord AMX brings lighter weight, 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 1969 AMC Rebel Machine 390 V8 and 1978 AMC Concord AMX represent different approaches to performance and purpose. Both carry the AMC badge, yet each carves out its own distinct identity. The 1969 AMC Rebel Machine 390 V8 holds a clear advantage in raw power with 340 hp compared to 140 hp, a 200-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the AMC Rebel Machine uses a V8 OHV 16V displacing 6,391 cc, while the AMC Concord relies on a V8 OHV with 5,898 cc. In the sprint to 60 mph, the 1969 AMC Rebel Machine 390 V8 edges ahead at 6.4 seconds versus 11.5 seconds. On the collector market, the 1969 AMC Rebel Machine 390 V8 commands a significant premium over the 1978 AMC Concord AMX, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1969 AMC Rebel Machine 390 V8 rates higher among enthusiasts and auction houses.