USA vs USA — 1970 vs 1951
| Duster 340 | Belvedere 426 Max Wedge | |
|---|---|---|
| Horsepower | 275 hp | 425 hp |
| Torque | 350 lb-ft | 480 lb-ft |
| Engine Size | 5,572 cc | 6,981 cc |
| 0-60 mph | 6.2 sec | 5.5 sec |
| Top Speed | 121 mph | 130 mph |
| ¼ Mile | 14.4 sec | 13.2 sec |
| Weight | 3,048 lbs | 3,300 lbs |
| Wheelbase | 2,743 mm | 2,946 mm |
| Length | 5,125 mm | 5,067 mm |
| Original MSRP | $2,547 | $3,500 |
| Value (Excellent) | $45,000 | $250,000 |
| Collectibility | 6/10 | 9/10 |
| Rarity | 5/10 | 9/10 |
The 1951 Plymouth Belvedere 426 Max Wedge emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1970 Plymouth Duster 340 counters with lighter weight, better value, but the numbers favor its rival. Still, both are remarkable machines, and the final choice often comes down to which driving experience speaks to you.
Within the Plymouth stable, the 1970 Plymouth Duster 340 and 1951 Plymouth Belvedere 426 Max Wedge represent different approaches to performance and purpose. Both carry the Plymouth badge, yet each carves out its own distinct identity. The 1951 Plymouth Belvedere 426 Max Wedge holds a clear advantage in raw power with 425 hp compared to 275 hp, a 150-horsepower difference that shapes the driving experience. In the sprint to 60 mph, the 1951 Plymouth Belvedere 426 Max Wedge edges ahead at 5.5 seconds versus 6.2 seconds. The Plymouth Duster carries a weight advantage, tipping the scales 252 lbs lighter. On the collector market, the 1951 Plymouth Belvedere 426 Max Wedge commands a significant premium over the 1970 Plymouth Duster 340, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1951 Plymouth Belvedere 426 Max Wedge rates higher among enthusiasts and auction houses.