USA vs USA — 1970 vs 1966
| Superbird 440 Super Commando | Chevelle SS 396 L78 375hp | |
|---|---|---|
| Horsepower | 375 hp | 375 hp |
| Torque | 480 lb-ft | 420 lb-ft |
| Engine Size | 7,210 cc | 6,489 cc |
| 0-60 mph | 5.5 sec | 5.8 sec |
| Top Speed | 150 mph | 130 mph |
| ¼ Mile | 13.5 sec | 14.0 sec |
| Weight | 3,800 lbs | 3,400 lbs |
| Wheelbase | 2,997 mm | 2,946 mm |
| Length | 5,690 mm | 4,953 mm |
| Units Produced | 1,920 | — |
| Original MSRP | $4,298 | $2,980 |
| Value (Excellent) | $500,000 | $175,000 |
| Collectibility | 10/10 | 9/10 |
| Rarity | 9/10 | 8/10 |
Two outstanding machines, each with compelling strengths. The 1970 Plymouth Superbird 440 Super Commando excels in quicker acceleration, higher top speed, stronger collectibility, while the 1966 Chevrolet Chevelle SS 396 L78 375hp stands out for lighter weight, better value. The best advice? Drive both if you can, then follow your instincts.
Among Muscle Car enthusiasts, the matchup between the 1970 Plymouth Superbird 440 Super Commando and 1966 Chevrolet Chevelle SS 396 L78 375hp 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 Plymouth Superbird 440 Super Commando producing 375 hp and the 1966 Chevrolet Chevelle SS 396 L78 375hp delivering 375 hp. Under the hood, the contrast is notable: the Plymouth Superbird uses a V8 OHV (Chrysler RB 440) displacing 7,210 cc, while the Chevrolet Chevelle SS 396 relies on a V8 OHV with 6,489 cc. In the sprint to 60 mph, the 1970 Plymouth Superbird 440 Super Commando edges ahead at 5.5 seconds versus 5.8 seconds. The Chevrolet Chevelle SS 396 carries a weight advantage, tipping the scales 400 lbs lighter. On the collector market, the 1970 Plymouth Superbird 440 Super Commando commands a significant premium over the 1966 Chevrolet Chevelle SS 396 L78 375hp, reflecting differences in prestige and rarity.