Resurrected As An H1000, This Four-Door Cadillac Is The Fastest Combustion-Only Luxury Sedan On the Planet

Hennessey’s ‘H1000’ Power output and acceleration performance crush its Audi, Bentley, BMW, and Porsche competitors.

Hennessey Unleashes the H1000: Cadillac’s Flagship Sedan Transformed into the World’s Fastest Combustion-Only Luxury Sedan

Hennessey, the renowned Texas-based hypercar manufacturer and purveyor of high-performance vehicles, has once again pushed the boundaries of automotive engineering with its latest creation: the ‘H1000’ Cadillac CT5-V Blackwing. This four-door luxury sedan, given the Hennessey treatment, emerges as an astonishing powerhouse, boasting an incredible 1,000 horsepower and 966 lb-ft of torque.

Straight from the factory, the Cadillac CT5-V Blackwing is already the epitome of performance and power in the automaker’s lineup. Equipped with a supercharged 6.2-liter small-block LT4 V8 engine, it delivers an impressive 668 horsepower and 659 lb-ft of torque. With a choice between a 6-speed manual and a 10-speed automatic transmission, the Blackwing accelerates from 0 to 60 mph in a mere 3.5 seconds and achieves a top speed exceeding 205 mph.

However, Hennessey’s engineering team, renowned for their ability to make fast cars even faster, has taken the stock Cadillac CT5-V Blackwing to stratospheric levels of performance. Through meticulous upgrades, they have transformed this luxury sport sedan into a supercar that commands attention. The LT4 engine receives an array of enhancements, including ported cylinder heads, upgraded intake and exhaust valves, improved lifters and pushrods, oversized heat exchangers, and long-tube stainless steel headers. The factory supercharger is replaced with a high-flow unit, and Hennessey’s Engine Management Calibration (HEMC) is implemented to optimize performance.

The result is nothing short of mind-boggling. With dyno-proven figures of 1,000 horsepower and 966 lb-ft of torque, the ‘H1000’ shaves a full second off the 0-60 mph sprint, slashes the quarter-mile run to a blistering 10.1 seconds, and propels the sedan to a top speed well above 200 mph.

John Hennessey, founder and CEO of Hennessey, expressed his enthusiasm for the H1000 upgrade, stating, “Cadillac’s CT5-V Blackwing, with GM’s supercharged LT4, was a natural candidate for our EXORCIST upgrade as it significantly improves power without compromising drivability. Now resurrected as an ‘H1000’, this four-door Cadillac holds the distinction of being the fastest combustion-only luxury sedan on the planet. It represents a remarkable pinnacle in a segment that will fade away within the next decade.”

While Hennessey’s prodigious power upgrade steals the spotlight, the Cadillac CT5-V Blackwing retains its performance-enhancing features, including adaptive Magnetic Ride Control, Brembo brakes, and configurable driving modes to suit any driving scenario. An integrated data recorder allows enthusiasts to log performance metrics both on and off the track.

Hennessey stands behind the ‘H1000’ upgrade with a comprehensive 2-year/24,000-mile limited warranty. It is important to note that the upgrade is exclusive to the Cadillac CT5-V Blackwing model and does not apply to the standard Cadillac CT5-V, which is equipped with a V6 engine. Production of the new Hennessey ‘H1000’ Cadillac CT5-V Blackwing is set to commence in August 2023. For those interested in experiencing this remarkable creation, direct inquiries can be made through HennesseyPerformance.com or by calling +1 979.885.1300.

With the H1000, Hennessey once again demonstrates its relentless pursuit of pushing the limits of automotive performance. This remarkable collaboration with Cadillac showcases the incredible potential for luxury sedans to reach unprecedented levels of power and speed, making the H1000 the epitome of high-performance luxury on four wheels.