Mustang Street Racing I'm A Street Racer I Want A New Fast Car That Is Perfect For Street Racing?

I'm a street racer I want a new fast car that is perfect for street racing? - mustang street racing

I have a 2009 Ford Mustang, a Dodge Challenger, 2009, 2005 Audi S4, a 2006 Audi A4 and a 2007 Cadillac STS V8

PS. What do you think is my best car