According to the search results, the fastest Chevrolet car is the Corvette Z06, which has a top speed of 189 mph and can go from 0 to 60 mph in just 2.6 seconds. The fastest Camaro model is the ZL1, which has a top speed of 198 mph and can go from 0 to 60 mph in 3.5 seconds. However, the Exorcist Camaro ZL1 by Hennessey Performance is the fastest Camaro ever, with a top speed of 200 mph. Here is a summary of the fastest Chevrolet cars and Camaros:

Fastest Chevrolet cars:

• Chevrolet Corvette Z06: 189 mph top speed, 0-60 mph in 2.6 seconds

Fastest Camaro models:

• Chevrolet Camaro ZL1: 198 mph top speed, 0-60 mph in 3.5 seconds
• Exorcist Camaro ZL1 by Hennessey Performance: 200 mph top speed