Hennessey HPE550 boosts the 2015 Cadillac Escalade to 557 hp

Article by Andrew Christian, on April 23, 2014

Back in October, Cadillac unveiled the all-new 2015 Escalade and for $72,690 this SUV can be yours. Under the hood, it comes with a 6.2-liter V8 engine that generates 420 hp and 420 lb-ft (623 Nm) of torque, bolted to a six-speed transmission. Despite these numbers, there are customers who want more from their 2015 Cadillac Escalade.

As a result, Hennessey Performance (HPE) unveiled their HPE550 Supercharged Escalade. Described as the perfect balance of attitude, performance and luxury, the HPE550 Escalade offers several upgrades. The most important upgrade is the belt-driven supercharger producing 6 psi of boost pressure that boosts the 6.2-liter V8 engine to 557 hp and 542 lb-ft (734 Nm) of torque.

Still, the extra power is nothing without reliability, so Hennessey added an air-to-water intercooler system that keeps charge temperatures low, while the recalibrated engine management computer optimizes the air/fuel ratio throughout the rev range. This upgrade costs $15,950 (installed) and has a 3 year/36,000 mile powertrain warranty.

Same tuning kit is available for other GM vehicles powered by the 6.2-liter DI V8, such as 2015 GMC Yukon Denali, 2014-2015 GMC Sierra trucks, and 2014-2015 Chevrolet Silverado trucks. Additional upgrades include the 20-inch Hennessey H10 forged monoblock wheels ($6950).

“The new 2015 Cadillac Escalade is the perfect platform for a Hennessey infusion of horsepower,” said founder and president John Hennessey. “It’s luxurious, spacious and cries out for personalization and more performance. I plan on making this our next family hauler for our five teenagers and four Labrador Retrievers.” 

Press Release

Hennessey to Offer 557 HP Supercharged Engine Upgrade for 2015 Cadillac Escalade

Sealy, Texas—While Cadillac has reinvented the Escalade, the preferred mount of rock stars, pro athletes and Hollywood’s red carpet elite, Hennessey Performance (HPE) has put in overtime developing a supercharger upgrade for its new 6.2-liter direct-injected V8 engine. It’s all the better for sneaking up on the unsuspecting Mercedes GL63 AMG or Range Rover Sport…that is, until the roar of the exhaust and subtle Hennessey branding give you away.

“Our HPE550 Supercharged Escalade is the perfect balance of attitude, performance and luxury. It’s fast and versatile, and proudly American,” said Hennessey CEO and partner Don Goldman.

The HPE550 package serves up a stout 557 bhp and 542 lb-ft of torque from the belt-driven supercharger producing 6 psi of boost pressure, gains of 32 percent and 18 percent, respectively, over stock. Extra power is nothing without reliability, so an air-to-water intercooler system keeps charge temperatures low, and Hennessey’s recalibrated engine management computer optimizes the air/fuel ratio throughout the rev range. HPE is proud to back its HPE550 upgrade ($15,950 installed) with a 3 year/36,000 mile powertrain warranty.

Further upgrades available include a set of lightweight Hennessey H10 forged monoblock wheels ($6950), whose 20-in. diameter accepts the Escalade’s factory tires. The H10 wheels’ reduced rotating mass allows even more power to reach the tires—less energy spent accelerating the wheel means more energy pushing the vehicle down the road.

While the Escalade might be the most glamorous application for our HPE550 upgrade, it’s also available for other GM vehicles with the 6.2-liter DI V8. The list includes the 2015 GMC Yukon Denali, 2014-2015 GMC Sierra trucks, and 2014-2015 Chevrolet Silverado trucks. Complete turn-key Hennessey HPE550 vehicles can be ordered directly through our authorized dealers, including Sewell and Hendrick.

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