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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.

Mercedes G63 AMG 6×6: Official

Mercedes-Benz has built a six-wheeled – and six-wheel drive – Mercedes G63 AMG which isn’t just a one-off but is being produced to order. The Mercedes G63 AMG 6×6 is a six wheel, six-wheel drive, monster G-Wagon which you would normally think was a just a one-off monster created for an Arabian buyer. But this is actually a fully fledged AMG creation – so far they’ve built two of them – that you can actually order from Mercedes-Benz.

Some Chevy dealers turn down additional Volt inventory

Some Chevrolet dealers are turning down Volt EVs that General Motors wants to ship to them, a potential stumbling block as GM looks to accelerate sales of the plug-in hybrid. For example, consider the New York City market. Last month, GM allocated 104 Volts to 14 dealerships in the area, according to a person familiar with the matter.