USA vs USA — 1967 vs 1966
| GT500 Super Snake 427 Twin-Supercharged | Chevelle SS 396 L78 375hp | |
|---|---|---|
| Horsepower | 800 hp | 375 hp |
| Torque | — | 420 lb-ft |
| Engine Size | 6,997 cc | 6,489 cc |
| 0-60 mph | 4.5 sec | 5.8 sec |
| Top Speed | 170 mph | 130 mph |
| ¼ Mile | 11.6 sec | 14.0 sec |
| Weight | 3,300 lbs | 3,400 lbs |
| Wheelbase | 2,743 mm | 2,946 mm |
| Length | 4,613 mm | 4,953 mm |
| Units Produced | 1 | — |
| Original MSRP | — | $2,980 |
| Value (Excellent) | $4,000,000 | $175,000 |
| Collectibility | 10/10 | 9/10 |
| Rarity | 10/10 | 8/10 |
The 1967 Shelby GT500 Super Snake 427 Twin-Supercharged holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1966 Chevrolet Chevelle SS 396 L78 375hp brings better value and remains a compelling choice for enthusiasts who value Chevrolet heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
Among Muscle Car enthusiasts, the matchup between the 1967 Shelby GT500 Super Snake 427 Twin-Supercharged 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. The 1967 Shelby GT500 Super Snake 427 Twin-Supercharged holds a clear advantage in raw power with 800 hp compared to 375 hp, a 425-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Shelby GT500 Super Snake uses a V8 OHV Twin-Supercharged displacing 6,997 cc, while the Chevrolet Chevelle SS 396 relies on a V8 OHV with 6,489 cc. In the sprint to 60 mph, the 1967 Shelby GT500 Super Snake 427 Twin-Supercharged edges ahead at 4.5 seconds versus 5.8 seconds. On the collector market, the 1967 Shelby GT500 Super Snake 427 Twin-Supercharged commands a significant premium over the 1966 Chevrolet Chevelle SS 396 L78 375hp, reflecting differences in prestige and rarity.