USA vs USA — 1970 vs 1970
| Cyclone Spoiler | Road Runner Superbird | |
|---|---|---|
| Horsepower | 370 hp | 375 hp |
| Torque | 480 lb-ft | 490 lb-ft |
| Engine Size | 7,030 cc | 7,210 cc |
| 0-60 mph | 6.3 sec | 5.5 sec |
| Top Speed | 134 mph | 146 mph |
| ¼ Mile | 14.5 sec | 13.5 sec |
| Weight | 3,800 lbs | 3,800 lbs |
| Wheelbase | 2,972 mm | 2,972 mm |
| Length | 5,258 mm | 5,613 mm |
| Units Produced | 1,631 | 1,935 |
| Original MSRP | $3,795 | $4,298 |
| Value (Excellent) | $120,000 | $350,000 |
| Collectibility | 8/10 | 10/10 |
| Rarity | 8/10 | 10/10 |
The 1970 Plymouth Road Runner Superbird emerges ahead in most objective measures, offering quicker acceleration, higher top speed, stronger collectibility. The 1970 Mercury Cyclone Spoiler counters with 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.
Among Muscle Car enthusiasts, the matchup between the 1970 Mercury Cyclone Spoiler and 1970 Plymouth Road Runner Superbird is one for the ages. These Muscle era machines competed directly for buyers' attention and continue to vie for collectors' affections today. On paper, the two are remarkably close in power output, with the 1970 Mercury Cyclone Spoiler producing 370 hp and the 1970 Plymouth Road Runner Superbird delivering 375 hp. In the sprint to 60 mph, the 1970 Plymouth Road Runner Superbird edges ahead at 5.5 seconds versus 6.3 seconds. On the collector market, the 1970 Plymouth Road Runner Superbird commands a significant premium over the 1970 Mercury Cyclone Spoiler, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1970 Plymouth Road Runner Superbird rates higher among enthusiasts and auction houses.