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One Lap of the Web: Vintage racers, a 1961 Jaguar E-type and Warren Buffett '...in the house'

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- Whoopsies.

Mercedes CLA to debut at Beijing

Mercedes CLA to debut in Beijing (new A Class pic tured) The Mercedes CLA – which is a four door coupe based on the new A Class – will debut at the Beijing Motor Show in April. We’ve been stumbling around what to call Mercedes’ baby CLS for a long time. But it looks like things may have become clearer after Mercedes announced that they will debut a new small 4 door coupe at the Beijing Motor SHow – the Mercedes CLA.

Audi readies flagship Sport Quattro concept for Frankfurt

Audi will unveil its new Sport Quattro concept at next month's Frankfurt motor show, previewed in a number of sketches. We first saw the Quattro concept back in 2010 at the Paris motor show and three years later the carmaker has produced another iteration, a 2+2 coupé, that measures in at 4,699mm – 419mm longer than the Quattro concept (4,280mm). From what the sketches show, the Sport Quattro retains the chunky C-pillar of the 2010 Quattro concept, the 1984 Sport Quattro and the original Ur-Quattro models, while the four headlamp units are another nod to the original.