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New Opel Monza Concept at Frankfurt 2013 signals a new big coupe from Vauxhall

The Opel Monza (1980s Monza pictured) will make a return at Frankfurt There was a time, for those not old enough to remember, when mainstream car makers produced big saloons and coupes. But no more. With very few (low-selling) exceptions, car makers like Vauxhall and Ford have given up their full-sized saloons and downsized, with SUVs of varying sizes now seen as the real future.

Lamborghini's sixth Paris 2010 teaser photo

It's a shot of an exhaust pipe, which exits the concept car just below the support for the rear wing. We've now seen all six images, and they've shown everything from vents in the bonnet to stylish flourishes atop the V10 engine, plus glimpses of the interior and what appears to be a carbonfibre wheel. The concept car is expected to be almost completely carbonfibre, very light and Gallardo-powered.  Why is Lamborghini showing such a car?

One Lap of the Web: Mini challenges Porsche; kit cars; and brand loyalty

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. Mini wished the Porsche 911 a happy 50th anniversary.