six-speed

The new design by Finale Speed combines modern materials with traditional styling.

The 3.0-liter twin-turbo straight-six in the CSL has been upgraded from the conventional 542 horsepower to a far more adequate 692 horsepower.

By installing the four-cylinder turbocharged engine from a Subaru Impreza STI into a 997-generation GT3, a tuner by the name of DevSpeed Motorsports has introduced a novel new approach to Porsche 911 modification.

A 503bhp, twin-turbo flat six putting all of its ponies through a six-speed manual transmission to the rear wheels makes this a genuine Porsche 911 Turbo.

We're actually unsure of how this 850 horsepower, six-wheeled leviathan is ever permitted on public roadways.

According to Speedkore CEO Jim Kacmarcik, "The 'Hellucination' Charger is our most extreme construction ever"

The first 'Dark Horse' 6x6 construction from Apocalypse Manufacturing is up for auction.

The BMW M4 Competition, with its 3.0-litre twin-turbo straight-six engine producing 503bhp and 479lb ft of torque, is fairly powerful by most people's standards.

With the full Mansory treatment, the fastest Bentley SUV becomes even faster.

Underground Racing, a tuner based in the United States, has created our ideal R8. Which has 1,500 horsepower.