The 2025 Cadillac CT5-V Blackwing is a masterclass in American performance, blending raw power with luxury and precision. Under the hood, its supercharged 6.2L V8 churns out an exhilarating 668 horsepower, making it one of the most potent sport sedans on the market. A six-speed manual keeps the driving experience truly engaging, while the 10-speed automatic ensures rapid shifts for those who crave speed at every opportunity. With a refreshed exterior design, updated tech, and magnetic ride control, the 2025 Blackwing is Cadillac’s ultimate expression of high-performance engineering. But what if 668 horsepower isn’t enough?

That’s where Hennessey Performance takes things to the next level with the H1000 upgrade. This package boosts the CT5-V Blackwing’s output to an astonishing 1,000 horsepower and 966 lb-ft of torque, delivering supercar-level acceleration while maintaining the luxury and refinement of the original sedan. Featuring an upgraded supercharger, high-flow intake, stainless steel headers, and a recalibrated ECU, the H1000 transforms the Blackwing into a four-door missile. Whether you’re looking to dominate the drag strip or enjoy brutal power on the open road, this is the ultimate way to push the CT5-V Blackwing beyond factory limits.