Announced two years ago, the Challenger Demon 1700 was to make 1,700 hp and 1,400 lb-ft; the measurement "As Installed" says ...

Along with Hennessey Performance Engineering and ProCharger, Extreme Turbo Systems is boosting the mid-engine ‘Vette as we speak. Previewed four weeks ago, the twin-turbo V8 upgrade has finally hit ...

The Ferrari SF90 Spider features a twin turbo V8 hybrid system enhanced with a Tubi Style exhaust, delivering a sharper and ...

A heavily modified 2018 Ford Mustang GT named Honey Badger was putting down very impressive numbers on the dyno and at the drag strip until tragedy struck. It flew too close to the sun with ...

Hennessey Performance has unveiled its completed Dodge Challenger SRT Demon 1700 build, delivering 1,355 rear-wheel horsepower and 1,202 lb-ft of torque—more torque at the tires than a Bugatti Chiron ...

You’re looking at a Mazzei Formula Five—or, rather, the Mazzei Formula Five. It’s a one-off supercar built by David Mazzei, combining a Superlite SL-C kit car body with a homemade five-rotor engine.

You know what's even cooler than a Mk IV Toyota Supra making big power from its 2JZ straight-six engine? A Supra making big power with Toyota's only production V-12, the 1GZ-FE. This one has two ...