The focus of the very short video – it's just 38 seconds long, so you can literally watch it anywhere and at any time – is on a Jeep Grand Cherokee Trackhawk equipped with the mighty Hemi V8 ...

Now Jeep, not content with a 462bhp SRT version of its Grand Cherokee, has come up with this, the Trackhawk, claiming to be the world’s most powerful and fastest SUV. Speaking to Jeep boss ...

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