Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

$40 million Bugatti on exhibit: Mullin museum models its masterpiece

Remember the Bugatti that sold a few months ago for somewhere between $30 million and $40 million? It is still the world's most expensive car. And now you can have a look at it at the fabulous Mullin Automotive Museum in Oxnard, Calif.

Mercedes launch new 9G-Tronic gearbox on E350 BlueTec

New Mercedes E350 BlueTec (pictured) gets 9-speed 9G-TRONIC auto It’s not exactly a million years ago that automatic gearboxes offered poorer performance and economy than manual gearboxes, and came as standard with just three gears. But now, automatic gearboxes are so good they can  change quicker than any driver and, with the proliferation of eight-speed auto ‘boxes, offer improved economy and performance too. The next logical step is even more ratios in an auto ‘box, and Land Rover has already revealed they’ll be fitting the Evoque with a 9-speed ZF ‘box from 2014, and the new Jeep Grand Cherokee gets a nine-speed auto ‘box too.

Driven: BMW Z4

Loved as it may be by its loyal fanbase, the outgoing Z4 was always something of a mixed bag in terms of design. While the car's classic long-bonnet, cab-back profile and short overhangs should have pleased the eye, the BMW's sheer frontal mass made its proportions seem out of balance. The application of the company's then-new ‘flame surfacing' form language also generated a visual business that seemed out of place on something as conceptually simple as a roadster.