Arp 145-2503 Fits Chrysler Square Drive Balancer Bolt Kit on 2040-parts.com

One lap of the Web: $52 million Ferrari 250 GTO, Alfa Romeo Montreal for sale and more bizarro engines

-- Even as the hammer fell on Juan Manuel Fangio's $30 million Mercedes-Benz W196R, we knew that that car wasn't the most expensive one ever sold -- it was merely the most expensive car sold at auction. Other cars were reported to have traded for a bit more in private sales. But now we have word of a car that absolutely blows the sale price of Fangio's little Silver Arrow out of the water: a 1963 Ferrari 250 GTO that sold to an undisclosed buyer for $52 million.

Citroen C4 Grand Picasso (2013) first official pictures

This is the cavernous new Citroen C4 Grand Picasso, a bigger version of the C4 Picasso MPV we recently tested. The Grand Picasso stands 4590mm long – the same as its predecessor – but sees its wheelbase stretched to the longest in its class for maximum cabin space and enormous door openings. What it does share with the regular Picasso is a lightweight body structure and frugal downsized engines.

Audi nanuk off-road supercar concept for Frankfurt Motor Show 2013

Audi has revealed a surprise new concept on the eve of the 2013 Frankfurt Motor Show – the Audi nanuk quattro concept, a 544hp V10 TDI-engined crossover supercar. The Audi nanuk quattro concept SUV supercar is a design collaboration with famous Italian styling house Giugiaro and, says Audi, has been created to combine ‘the dynamics of a high-performance sports car with Audi’s quattro expertise on the road, on the race track and also off-road’. Click on the image above to read more about the leftfield Audi nanuk quattro concept supercar surprise…