Audi A8 L 4.2 TDI quattro pictures

Audi's A8 takes on the likes of the Mercedes S-Class and BMW 7-Series.

All versions come with quattro four-wheel-drive and an eight-speed DSG gearbox.

Petrol and diesel engines are available, the latter offering surprising economy.

The Audi A8's interior is loaded with high-tech kit.

The A8 doesn't get a folding rear bench - but it's unlikely to be making any trips to the tip anyway.

Every surface in the Audi A8 is covered with luxurious materials.

The chauffeur will be very happy up front.

The A8 retains Audi trademark styling cues.

The Audi A8 is available with toys such as a night-vision camera.

Rear seat space is generous even in the short-wheelbase version - in the long-wheelbase it's cavernous.

Some versions of the Audi A8 will return 40mpg if driven carefully.

The Audi A8 is one of the sharpest luxury cars to drive with plenty of grip thanks to the quattro four-wheel-drive system.