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McLaren MP4-12C gets 616 bhp

The McLaren MP4-12C is about to get some upgrades – including an extra 25bhp – which will also be offered to existing owners free of charge. On balance, what McLaren has achieved with the MP4-12C is nothing short of remarkable. Yes, there have been a few glitches along the way, but in truth they have been little more than the sort of hiccups almost any new supercar suffers as it escapes in to the wild and has to deal with the real world and real drivers.

Audi rolls out A3 lineup at the Los Angeles auto show

There's something about German automakers and model proliferation—it seems that if there is a niche to be filled, no matter how vanishingly small, a vehicle will be devised to fill it. If no niche is extant, they'll simply invent one, which is how we wound up with the unprompted X6. Audi's new A3 lineup, which debuted at the Los Angeles auto show and will begin its 18 month-long North American rollout spring 2014, seems incredibly rational by comparison.

GM unveils electric Cadillac Converj concept at the Detroit auto show

General Motors pulled perhaps a surprise at the Detroit Auto Show Sunday morning, unveiling an eye-catching two-door Cadillac concept powered by a "future evolution" of the Chevrolet Volt's electric powertrain. Called the Converj, the Cadillac will have a range of 40 miles on electricity, with a potential total range of 700 miles after a generator kicks in. GM says the powertrain, formerly known as E-Flex, is now called Voltec, and could be used in a variety of applications.