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Frankfurt Motor Show 2013: the top 20 cars to look forward to

The 2013 Frankfurt Motor Show will play host to a wealth of new vehicles making their world and European debuts at the German automotive expo. So, from outlandish concepts and design studies to more mainstream production-ready metal, there are plenty of vehicles to look forward to when the covers come off at Frankfurt 2013. Everything form supercars to family estates will be vying for the limelight – here are 20 of the most interesting, important, unusual and fastest cars and concepts that’ll be on show.

2013 Astra Cabrio caught on video

We have video of the 2013 Opel / Vauxhall Astra Cabriolet on video ahead of its debut at the Paris Motor Show. We’re guessing that even though the 2013 Astra Cabriolet (which will arrive as both the Vauxhall and Opel Cabrio) is due to debut at the Paris Motor Show next month, it won’t be in showrooms until the spring – just in time for another miserable summer. Ahead of that debut, GM Europe are out at the Nurburgring making sure their new soft-top doesn’t wibble wobble too much, resulting in the spy video below.

BMW's new M engine needs a better voice

BMW's M division claims its new twin-turbocharged 3.0-liter inline six-cylinder engine is every bit as good -- if not better -- than the glorious, naturally aspirated 4.0-liter V8 powerplant it replaces in the new M3 sedan and M4 coupe. The figures are certainly impressive. They say it kicks out 424 hp and more than 25 percent extra torque, with what is described as significantly more than 369 lb-ft below 2,000 rpm.