USA vs USA — 1970 vs 1970
| Superbird 440 Super Commando | Duster 340 | |
|---|---|---|
| Horsepower | 375 hp | 275 hp |
| Torque | 480 lb-ft | 350 lb-ft |
| Engine Size | 7,210 cc | 5,572 cc |
| 0-60 mph | 5.5 sec | 6.2 sec |
| Top Speed | 150 mph | 121 mph |
| ¼ Mile | 13.5 sec | 14.4 sec |
| Weight | 3,800 lbs | 3,048 lbs |
| Wheelbase | 2,997 mm | 2,743 mm |
| Length | 5,690 mm | 5,125 mm |
| Units Produced | 1,920 | — |
| Original MSRP | $4,298 | $2,547 |
| Value (Excellent) | $500,000 | $45,000 |
| Collectibility | 10/10 | 6/10 |
| Rarity | 9/10 | 5/10 |
The 1970 Plymouth Superbird 440 Super Commando holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1970 Plymouth Duster 340 brings lighter weight, better value and remains a compelling choice for enthusiasts who value Plymouth heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
Within the Plymouth stable, the 1970 Plymouth Superbird 440 Super Commando and 1970 Plymouth Duster 340 represent different approaches to performance and purpose. Both carry the Plymouth badge, yet each carves out its own distinct identity. The 1970 Plymouth Superbird 440 Super Commando holds a clear advantage in raw power with 375 hp compared to 275 hp, a 100-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Plymouth Superbird uses a V8 OHV (Chrysler RB 440) displacing 7,210 cc, while the Plymouth Duster relies on a V8 OHV with 5,572 cc. In the sprint to 60 mph, the 1970 Plymouth Superbird 440 Super Commando edges ahead at 5.5 seconds versus 6.2 seconds. The Plymouth Duster carries a weight advantage, tipping the scales 752 lbs lighter. On the collector market, the 1970 Plymouth Superbird 440 Super Commando commands a significant premium over the 1970 Plymouth Duster 340, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1970 Plymouth Superbird 440 Super Commando rates higher among enthusiasts and auction houses.