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BMW M4 Convertible revealed. Price from £60,730

The BMW M4 Convertible (pictured) revealed We reported last month that the new BMW M4 Convertible would debut at this year’s New York Auto Show, and here it is ahead of that debut complete with trick folding metal roof, 425bhp and a price tag that just nicks over the £60k line. A direct replacement for the old M3 Convertible, the M4 Convertible will cost you just over £4k more than the M4 Coupe, but for the extra money you get the same car but with infinite headroom – and a big weight penalty. The new 3-piece metal folding roof can be tucked away in a mere 20 seconds at the flick of a switch, with better noise insulation than the M3 Convertible had and more room in the boot when the roof is down too.

Reuss: GM considering 'something really fun' for Buick

Buick dealers still salivating over the Riviera concept that General Motors unveiled at last month's Shanghai auto show should take a deep breath: There's little chance that the flashy coupe will ever grace a Buick showroom. But they should view the Riviera -- which GM says points to the brand's design direction -- as a signal that GM is serious about adding pizazz to the Buick lineup now that the 110-year-old brand, which barely survived GM's bankruptcy four years ago, is getting comfortable in its born-again skin. "We've very carefully built Buick back to a brand that has respect," GM North America President Mark Reuss told Automotive News.

Like it or not, autonomous cars are here -- almost

One of the odder things about living in "the future" is that things develop so gradually, hardly any of the really amazing things we're exposed to every day seem amazing or futuristic. If the iPhone had just appeared from nowhere in 2007, there would have been riots, demonstrations and legislation. But since we had a Blackberry first, and dedicated cellphones before that, the iPhone and its progeny were never quite shocking.