Like us, world-famous tuner John Hennessey is sad to see the mythical motor take its leave and decided to say goodbye, ...

Hennessey clearly thinks so, because it has partnered with Fox Factory to produce the limited run Mammoth 400. Just look at those racing stripes and that burnout picture. Heck yeah. The Mammoth ...

American car firm Hennessey, famous for its Venom hypercar and thundering high-performance modification projects, has turned its attention to the Dodge Ram to produce this: the Mammoth 1000 6x6 TR ...

Meet the Mammoth 1000 Last Stand from Hennessey, which builds on the Ram 1500 TRX Final Edition. While the standard super truck came out with the standard Hellcat motor, producing 702 horsepower ...

Texas-based engine maker Hennessey Performance Engineering has come up with an SUV that's maybe just a little over the top. Based on a Ram TRX pickup truck, 7-passenger Mammoth 1000 features a ...

This means there’s meaty 558bhp and 911Nm of torque on offer - that’s a little way off the Mammoth 6x6’s 1,012bhp, however. There is a sensible side to Hennessey’s latest crazy super truck.