HomeThe MarketHennessey unleashes 1,000-horsepower, 7-seat SUV

Hennessey unleashes 1,000-horsepower, 7-seat SUV

The supercharged Hennessey Mammoth is based on the 2021 Ram TRX pickup truck


There are plenty of ways to spend $375,000, and 20 of them are the new Hennessey Mammoth 1000 SUV, a 7-seat vehicle based on the 2021 Ram TRX pickup truck. 

Of course, this being a product of Hennessey Performance, the pickup has been converted into a sport utility vehicle and its 6.2-liter V8 engine has been supercharged to pump out 1,012 horsepower and 969 pound-feet of torque. 

“I have a big family with five kids and have always enjoyed owning big, powerful SUV’s,” John Hennessey is quoted in the announcement. 

“In 2012, we converted the first-generation Ford Raptor into our VelociRaptor SUV – I still own one today and love it. 

“Now, we are excited to offer something very similar, but with a lot more horsepower, using the new Ram TRX truck as our base vehicle. Creating this king of SUVs offers our customers the ultimate combination of space, power and exclusivity.”

According to the Hennessey news release, the Mammoth 1000 will carry seven adults “in comfort,” and thrill or terrify any passengers by sprinting to 60 mph in as few as 3.2 seconds. 

“Based on the new Ram TRX, the enhancement by Hennessey Performance sees bespoke bodywork extend the roofline to meet a new C-pillar that sits above the rear taillights,” the news release reports.
“The bespoke conversion incorporates a sizable rear-side window and adds a rear screen while retaining excellent luggage space behind the third row of seats.

“The SUV variant also benefits from Hennessey’s Mammoth Off Road package, which includes a 2.5-inch lift, custom front bumper with LED lights, 20-inch Hennessey 10-spoke wheels, 35-inch off-road tires, and a front suspension leveling kit”

Only 20 units will be produced. They come with a 3-year, 36,000-mile warranty and can be ordered through Ram dealerships or through Sealy, Texas-based HennesseyPerformance.com.

Larry Edsall
Larry Edsall
A former daily newspaper sports editor, Larry Edsall spent a dozen years as an editor at AutoWeek magazine before making the transition to writing for the web and becoming the author of more than 15 automotive books. In addition to being founding editor at ClassicCars.com, Larry has written for The New York Times and The Detroit News and was an adjunct honors professor at the Walter Cronkite School of Journalism and Mass Communication at Arizona State University.



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