Question: what are fast cars under 20k?
Answer: 1 Cadillac CTS-V 2009 -2010. 2 Chevrolet Camaro SS 2010 -2015. ...  3 Pontiac GTO 2004 – 2006. ...  4 Dodge Challenger 2009 -2015. ...  5 Chevrolet Corvette C5 1997 - 2004. ...  6 BMW M3 E46 2000 -2006. ...  7 Ford Mustang GT 2005 – 2014. ...  8 Subaru WRX STi 2008 -2010. ...