John Hennessey
John Hennessey
Celebrated Name: John Hennessey
Real Name/Full Name: John Hennessey
Gender: Male
Age: 71 years old
Birth Date: 22 September 1952
Birth Place: Columbia, South Carolina, USA
Nationality: American
Height: 1.67 m
Weight: 70 kg
Sexual Orientation: Straight
Marital Status: Married
Wife/Spouse (Name): Hope Hennessey
Children/Kids (Son and Daughter): Yes (5 Children)
Dating/Girlfriend (Name): N/A
Is John Hennessey Gay?: No
Profession: Entrepreneur, Racer, Tuner
Salary: N/A
Net Worth in 2024: $5 Million
Last Updated: April 2024

John Hennessey is a racer, tuner, vehicle entrepreneur and the Founder and CEO of Hennessey Performance Engineering (HPE), Hennessey Special Vehicles, Lonestar Motorsports Park and Tuner School.

Maybe you know about John Hennessey very well, but do you know how old and tall is he and what is his net worth in 2024? If you do not know, we have prepared this article about details of John Hennessey’s short biography-wiki, career, professional life, personal life, today’s net worth, age, height, weight, and more facts. Well, if you’re ready, let’s start.

Early Life & Biography

Hennessey was born in Columbia, a city in the United States of America, and spent his entire childhood there. He completed his degree in engineering from the University of Missouri in Columbia before moving to Texas and start his business.

Personal Life

Hennessey married Hope on 12 October 1991 and has fathered five children with her. This is the limited information we have about John’s personal life. He does not like to share too much information about it.

Age, Height, and Weight

Being born on 22 September 1952, John Hennessey is 71 years old as of today’s date 16th April 2024. His height is 1.67 m tall, and his weight is 70 kg.


The dire interest for automobiles birthed in Hennessey right when he was a young adult. He earned a significant amount through a construction business and invested the money to buy a Mitsubishi car (3000GT VR-4) and started racing right after, primarily inspired by C. Van Tune.

However, he was aware that racing might not fetch him sufficient money, and hence, he decided to start altering and tuning cars and further extending the same services to customers as well. A new business, Hennessey Performance Engineering, was born out of a rented garage in Texas.

The Houston based company primarily dealt in modifying cars, most of them being sport-utility cars. The vehicles were from numerous brands like McLaren, Porsche, Lotus, Jeep, Ford, Ferrari, etc., to name a few. They mainly focus on enhancing the performance of the mechanical system of the car.

In 2008, Hennessey went on to establish the Tuner School, a private institute that aimed at training technicians in vehicle tuning. The mechanics at Hennessey Performance Engineering are the tutors in this school. They also formed a YouTube channel that features videos of vehicles in action. HPE built and upgraded over 500 vehicles in a single year.

One of his cars, Venom GT, set a Guinness World Record for achieving a speed of 300 kmph in less than fifteen seconds.

Hennessey’s work and his company’s performance has been widely covered by some of the best publications in the world like Motor Authority, Road and Track, Car and Driver, Top Gear, Motor Authority, The Drive, Robb Report, etc.

He founded a company called the Lonestar Motorsports Park that lets drivers test and gauge their car’s performance.

In 2017, he founded another company, Hennessey Special Vehicles, which specialized in modifying and redesigning of the fastest race cars in the world. “Venom F5” was the venture’s first vehicle. HSV has a test track of its own, which it uses to gauge the speed of the cars.

Awards & Achievements

The American entrepreneur has won many accolades as a racer in his 20s and early 30s. The first races he won were the Pikes Peak Hill Climb, the Nevada Open Road Challenge the Bonneville Salt Flats, and the Silver State Classic in Nevada, in which he stood forth. These victories were convincing enough for him to pursue a career in the automobile industry.

Net Worth & Salary of John Hennessey in 2024

John Hennessey Net Worth
John Hennessey Net Worth

As of April 2024, The estimated net worth of John Hennessey is $5 million. He earns this amount through his three companies Hennessey Performance Engineering (HPE), Hennessey Special Vehicles, Lonestar Motorsports Park, and his training institute, the Tuner School. His net worth includes all his possessions and earnings.

John Hennessey is an American magnate and the founder and CEO of Hennessey Performance Engineering. Over the years, he has led his companies to be one of the most leading ventures in the automotive industry.


  1. Ummm. Your picture is of the wrong John Hennessy. You’ve got pictures the Computer Scientist, former President of Stanford and current Alphabet Board Member.


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