Garmin Protective Cover F/gpsmap 800 Series -010-12123-00 on 2040-parts.com

BMW Alpina B6 Bi-Turbo Convertible (2011) at the Frankfurt motor show

BMW’s M Division is busy readying M6 variants of both the 6-series Coupe and Convertible, but if you can’t wait until 2012 – or if you want a fast but understated Six – then Alpina has just the car for you. It’s the BMW Alpina B6 Bi-Turbo Convertible, just unveiled at the 2011 Frankfurt motor show. And I’m guessing the BMW Alpina B6 Bi-Turbo Convertible does exactly what is says on the tin?

2014 GMC Sierra Denali gets more bling, luxury, tech

The 2014 Chevy Silverado and GMC Sierra pickup trucks -- revealed at the Detroit auto show -- will be two of the GM's biggest sellers this spring. Now we know a little more about the luxury GMC Sierra Denali trim, which about 20 percent of buyers opt for. The new Sierra Denali will come with a standard 355-hp 5.3-liter V8 or available 420-hp, 6.2-liter V8.

One Lap of the Web: One lap of the 'Ring in a Lamborghini Cabrera

-- Ever wondered how a 2013 Audi S3 would stack up against a 1983 Audi Sport Quattro on a rally circuit? So have we, but unlike us, Audi actually has the means to make the two cars go head to head. And, of course, they've filmed it all .