John Hennessey test drives the 2009 Cadillac CTS-V 6-speed with Hennessey V700 upgrade at Lonestar Motorsports Park. www.HennesseyPerformance http www.TunerSchool.com
We take Cadillac's sleek 2012 CTS-V Coupe to the test track. Read full story here: www.motortrend.com Also find Motor Trend on: twitter.com facebook.com