USA vs USA — 1970 vs 1970
| Superbird 440 Six Pack | Superbird 426 Hemi | |
|---|---|---|
| Horsepower | 390 hp | 425 hp |
| Torque | — | 490 lb-ft |
| Engine Size | 7,210 cc | 6,981 cc |
| 0-60 mph | — | 5.5 sec |
| Top Speed | — | 140 mph |
| ¼ Mile | — | 13.5 sec |
| Weight | — | 3,750 lbs |
| Wheelbase | 2,972 mm | 2,946 mm |
| Length | 5,588 mm | 5,639 mm |
| Units Produced | — | 1,920 |
| Original MSRP | — | $4,298 |
| Value (Excellent) | $350,000 | $500,000 |
| Collectibility | 5/10 | 10/10 |
| Rarity | 10/10 | 10/10 |
This matchup is remarkably close. The 1970 Plymouth Superbird 440 Six Pack offers its unique character, while the 1970 Plymouth Superbird 426 Hemi counters with 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 Plymouth Superbird lineage tells a fascinating story of automotive evolution. Comparing the 1970 Plymouth Superbird 440 Six Pack with the 1970 Plymouth Superbird 426 Hemi reveals how Plymouth refined and reimagined one of its most important nameplates over the years. The 1970 Plymouth Superbird 426 Hemi holds a clear advantage in raw power with 425 hp compared to 390 hp, a 35-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Plymouth Superbird uses a V8 displacing 7,210 cc, while the Plymouth Superbird relies on a V8 OHV (426 Hemi) with 6,981 cc. Both trade at comparable values on the collector market, making the choice between them largely one of personal preference. From a collectibility standpoint, the 1970 Plymouth Superbird 426 Hemi rates higher among enthusiasts and auction houses.