Range Rover Sport Autobiography is a holistic driving experience

Road Test This behemoth combines ridiculously speedy performance with comfort and stability.

With a supercharged 5.0L V8 under its bonnet, the Autobiography can, despite its size, reach 100kph from standstill in just 6.2 seconds. Courtesy of Land Rover
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There aren't many cars out there that are good for you, but any model that ensures you're relaxed behind the wheel has to be a positive thing. It's a feeling I've always experienced while driving Range Rovers; they've got something about them, something that, no matter the presented situation, makes for a calming experience.

Get behind the wheel of one and I challenge you not to sit back, take in all that's around you and breathe a sigh of relief. Even the worst a journey can throw at you can't detract from the experience, elbows pressing gently on the armrests and fingertips lightly caressing the wheel. For me, it only takes minutes to feel calm and chipper - an automotive Prozac if you will.

It's a state of mind that I've yet to duplicate in any other car, and it's not just a phenomenon curious to the full-fat Range Rover, but the Sport (and to a lesser extent the new Evoque), too. So the prospect of spending a week in a newly revised Range Rover Sport Autobiography is definitely one of the better ones.

There have been all sorts of changes to the latest 2012 model, including a one-piece powered aluminium boot, Dual View touch-screen, a premium Harmon Kardon hi-fi, interior design revisions and more trim choices for Autobiography models.

But it's the supercharged 5.0L V8 petrol engine that continues to stand out, making this British giant one of the fastest 4x4s by far. Bonnet rising like a speedboat on a bow wave, it completes the 0 to 100kph sprint in only 6.2 seconds. But even at full tilt the smooth delivery of power, only interrupted briefly by the swift swapping of ratios, feels completely effortless. The sheer incredulity of what this vehicle can do never fails to put a smile on your face. Admittedly, with 510hp and 625Nm (the latter on tap from only 2,500rpm), it's not really a surprise that this behemoth can perform such trickery.

But for all its performance, lazily delivered or not, this really is one Range Rover that can turn its hand to anything asked of it. As expected, the Sport is particularly capable off-road, benefiting from the firm's air suspension and terrain response system. Four distinct off-road modes are offered, each optimised for gravel, grass, snow or rocks, and you can alter the car's ride height at a touch of a button. There's no traditional transfer case here, but a low-range setting on the six-speed automatic gearbox and the company's hill descent control to help smooth things out.

Faced with obstacles that will have you thinking twice, the series of on-board cameras allows you to check for any forthcoming bodywork damage, while the 4X4i information screen keeps you abreast of the locking differentials and even which way the wheels are pointing. And like the most technically advanced supercars, the Range Rover even comes with launch control - though this system is there to deal with sand rather than minimise drag strip times. It's this host of technology that means the Sport flatters even the most clumsy of off-road drivers.

But expected sand dune bashing ability to one side for a moment, it's the on-road manners that really set this car apart. It offers surprising reactions and a level of body control that can't be matched by the full-sized Range Rover. Where entry to bends in its bigger brother often requires a dab of the brakes before occupants hold on tight, the Sport (and those inside) is comfortable rounding corners at much higher speeds. It improves further when selecting dynamic mode from the suspension settings, which also recalibrates the steering, throttle and gearbox parameters. The helm weights up (though there's little change to the feedback offered) and you can hustle the Sport along with real confidence, marvelling at the grip on offer from this multi-talented chassis. Of course, it's no sports car, but the Range Rover Sport demonstrates a talent far closer to a ground-hugging GT than high-riding SUV.

Leaving the back-roads behind, the firm ride (exacerbated by the 20-inch alloy wheels that come as standard on the Supercharged models) previously sending shudders through the cabin over every pothole, fades into the background. It's replaced by a poised suppleness as the Sport glides over larger bumps with ease, the air suspension keeping the body level at all times.

Which gives you plenty of time to appreciate the fixtures and fittings - the range of which is even larger in the Autobiography model. If you're liberal with the chequebook you can pretty much customise the Sport to within an inch of its life, though we prefer the classics - some combinations on offer should be avoided if good taste is to be abided. Regardless of choice though, the mix of leather, wood and metal is beautifully constructed, placing driver and passengers in an ambience more suited to a luxury liner or private jet than a car.

And like the best in plush personal transport, this latest Range Rover Sport continues to be a calming influence, my blood pressure especially thankful for my time behind the wheel. Which brings me onto the worst part of my week with the Sport; like the week before it, and the week that will come after it, this week has to come to an end. The Supercharged Range Rover Sport will dissolve from my being, and whatever car replaces it, I already know it won't be as cosseting or relaxing. Land Rover should sell these with a warning: life without a Range Rover Sport is bad for your health.

Base price Dh545,000

Engine 5.0L supercharged V8

Gearbox Six-speed automatic

Power 510hp @ 6,000rpm

Torque 625Nm @ 2,500rpm

Fuel economy, combined 14.9L/100km