Get ready to witness an epic showdown between two American titans of the road. This challenge was sparked by sweepstakes on ...

Among them, "one of the most extreme trucks on the planet," a six-wheeled Ram TRX that delivers 1,012 horsepower. The truck is known in the real world as the Hennessey Mammoth 6x6, and it has been ...

While the email doesn’t specify an exact figure, the previous TRX packed a supercharged 6.2-liter V8 making a silly 702 horsepower and 650 lb-ft of torque—enough to launch the mammoth off ...