What is the fastest American car in 2012?

In 2012, the title of "fastest American car" was a bit complex, depending on how you define "fastest." There wasn't a single clear winner. However, strong contenders for the title based on top speed included:

* Shelby GT500: This car had a high top speed and impressive acceleration, making it a leading candidate for the fastest production American car of the year.

It's important to note that precise top speed figures varied depending on testing conditions and methodologies, and other high-performance American cars from that era were close competitors in terms of speed and acceleration.