USA vs USA — 1968 vs 1966
| GT500KR King of the Road | Chevelle SS 396 L78 375hp | |
|---|---|---|
| Horsepower | 335 hp | 375 hp |
| Torque | 440 lb-ft | 420 lb-ft |
| Engine Size | 7,014 cc | 6,489 cc |
| 0-60 mph | 6.5 sec | 5.8 sec |
| Top Speed | 130 mph | 130 mph |
| ¼ Mile | 14.0 sec | 14.0 sec |
| Weight | 3,500 lbs | 3,400 lbs |
| Wheelbase | 2,743 mm | 2,946 mm |
| Length | 4,699 mm | 4,953 mm |
| Units Produced | 1,570 | — |
| Original MSRP | $4,473 | $2,980 |
| Value (Excellent) | $350,000 | $175,000 |
| Collectibility | 9/10 | 9/10 |
| Rarity | 8/10 | 8/10 |
The 1966 Chevrolet Chevelle SS 396 L78 375hp emerges ahead in most objective measures, offering more power, quicker acceleration, better value. The 1968 Shelby GT500KR King of the Road counters with its unique character, 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 1968 Shelby GT500KR King of the Road 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 1966 Chevrolet Chevelle SS 396 L78 375hp holds a clear advantage in raw power with 375 hp compared to 335 hp, a 40-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Shelby GT500KR uses a V8 OHV 16V displacing 7,014 cc, while the Chevrolet Chevelle SS 396 relies on a V8 OHV with 6,489 cc. In the sprint to 60 mph, the 1966 Chevrolet Chevelle SS 396 L78 375hp edges ahead at 5.8 seconds versus 6.5 seconds. Whether you prioritize driving dynamics, heritage, or aesthetic appeal, both contenders make a strong case for themselves.