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Hennessey is a United States manufacturer featured in Forza Motorsport 4 and all subsequent installments except Forza Horizon 2 Presents Fast & Furious.

Headquartered in Houston, Texas and founded by John Hennessey, Hennessey Performance Engineering is an American tuning house specializing in modifying high-performance cars from brands like Chevrolet, Ford, Dodge, Jaguar, Lamborghini, and McLaren. Its lineup includes a former record-breaker, the Hennessey Venom GT.


"The high-speed cravings John Hennessey drove the creation of Hennessey Performance back in 1991. It started with Hennessey’s daily-driven, a Mitsubishi 3000GT, that he drove in speed events such as the Nevada Open-Road races, Pike’s Peak Hill Climb, and a record-setting 174-mph run at the Bonneville Salt Flats. Hennessey turned his automotive passion into a successful business, originally focusing on turbocharged imports, until a customer inquired about modifying a Dodge Viper. The subsequent modifications to that Viper resulted in an average speed of 164 mph in the Silver State Challenge and drew attention from the likes of Jay Leno (along with Chrysler executives). Soon, Hennessey Venom 500 Vipers were flying out of the shop. The incredible performance of these cars led to modification packages for the Ford GT, Cadillac CTS-V, Chevy Camaro and, of course, the Hennessey Venom GT. The company’s goal is ultimate performance for its customers, no matter what vehicle they want to modify. Hennessey Performance is based outside Houston, Texas on 143 acres that include Lonestar Motorsports Park – a quarter mile drag strip and 1.4-mile racing circuit."


Image Year Name Drive Engine Power Torque Weight Front/Rear
HOR XB1 Hennessey VelociRaptor.png 2018 Hennessey VelociRaptor 6x6 AWD 3.5L V6 - Twin-Turbocharged
600 hp
(447 kW)
622 ft⋅lb
(843 Nm)
6697 lb
(3038 kg)
51 % / 49 %
HOR XB1 Hennessey Venom.png 2012 Hennessey Venom GT RWD 6.2L V8 - Twin-Turbocharged
1200 hp
(895 kW)
1155 ft⋅lb
(1566 Nm)
2685 lb
(1218 kg)
42 % / 58 %


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