John Hennessey's love affair with all things Cadillac is no secret; his wife's daily driver is an HPE700-equipped CTS-V sedan. We've also seen Mr. Hennessey's insatiable lust for showing off his ...

The high-powered sedan hits 60 mph in around 2.5 seconds. Hennessey has a major power upgrade for the Cadillac CT5-V Blackwing. It overhauls the engine to produce a prodigious 1,000 horsepower and ...

Plus, Mercedes might relocated EQS SUV production from the US to Germany. Texas tuner Hennessey escalades the Cadillac SUV's power to Veyron levels, and Mercedes might shift EQS SUV production ...