The American Hennessey Performance company has presented a program of improvements HPE650, designed for SUV GMC Yukon Denali. The tuners under this program was able to significantly improve the impact of 6.2-liter V8 engine with 420 hp (624 Nm) to 650 “horses” (892 Nm). Maximum power available at 5500 rev/min and the maximum torque – from 4200 rev/min. To achieve such a significant increase in power managed by the installation of a 2.9-liter supercharger, intercooler more productive, stainless steel pipes of the exhaust system and reprogramming of the electronic engine control unit. From zero to hundreds modified Yukon Denali accelerates in 4.5 seconds, the quarter mile passing (402 meters) in 12.9 seconds. Maximum off-road speed is limited at around 171 km/h. Outwardly to distinguish who was in the studio by the presence of the car can be on the back of the logo – “HPE”, “Supercharged” and “Hennessey”. In addition, GMC Yukon Denali has received 22-inch wheels and 15-inch Brembo brake calipers at the front. Package price HPE650 not specified.