Car Tech: Jaguar XKR Portfolio drives by itself! Fast!

Ladies, geeks, petrolheads -- we're proud to present a video of the most technologically advanced car we've ever driven. Meet the Jaguar XKR Portfolio edition. Jag might be owned by Ford, but it still builds its beautiful cars right here in the UK, in glamorous Coventry, so get ready for some world-class boasting.

This car literally drives itself. Just point it in the right direction, and its Adaptive Cruise Control will automatically brake and accelerate for you. If the car in front brakes suddenly, the XKR uses microwave radar technology to detect this and activates its own brakes, too. When the lame-brain in front speeds up again, the Jag accelerates to keep up with the flow of traffic. It's like night-rider, but much much sexier.

No car is complete without a decent sound system, and the Jag has the best we've heard in any non-modified car. Its speakers are built by Bowers & Wilkins -- the dudes who kitted out the Beatles' Abbey Road recording studio. And it runs in full Dolby Logic II surround sound. And it's LOUD!

The 4.2-litre supercharged V8 engine and quad-port exhaust make a pretty good noise, too. The raspy-but-refined snarl is quite frankly the sexiest thing we've heard in years. Not that you'll have that much time to pay much attention -- the Jag XKR Portfolio does the 0-60 leap in 4.9 seconds and would nudge 200mph if it wasn't electronically limited to 155mph. All for a mere £75,597. -Rory Reid

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