The Nissan 370z by far is the best performing. But also the most expensive and least practical with only 2 seats and a small trunk.
0-60mph in 4.7 seconds according to edmunds.com/insideline.
Others tested it at 5.1 seconds. Top Speed is limited to 155mph.
It has race car handling.
Both the RX-8 and Eclipse GT with manual transmissions have 0-60mph times of 5.9 seconds and top speeds of 155mph.
The automatic RX-8 does the 0-60mph time in 7.5 seconds and has a lower redline and a 150mph top speed. The Eclipse GT Automatic does it in 6.5 seconds and reaches 150mph.
The Eclipse GT is the worst hanlding car here with the worst interior design and the cheapest feel.