Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

One Lap of the Web: a lap of the 'Ring, a lap of the YouTubes and a lap of the eBays

-- The Porsche 918 achieved a spectacular and borderline-unbelievable time just a few days ago, but here are some less heroic cars lapping the 'Ring, like Peugeot 205s, modern BMWs and a few bikes mixed in for good measure. Check out the classic Heckflosse (fintail) Mercedes-Benz at 2:05. -- Filmmaker Casey Neistat filmed, umm, a pretty good commercial for the new Mercedes-Benz CLA, but it's the making-of video that's even more fun to watch.

Aston Martin Vantage GT4 2011 updates

Aston Martin Vantage GT4 2011 updates Aston Martin’s Vantage for the track – the Aston Martin Vantage GT4 – has only been racing for a couple of years. But in that short time Aston Martin has managed to shift more than 80 GT4s to customers and the GT4 has become the most successful car in its class, with wins at the Spa 24 hours, Nurburgring 24 hours and others. But resting on your laurels is no way to continue being on top so, despite – or perhaps because of – the GT4′s success, Aston Martin has wheeled out updates for 2011 to keep the GT4 on top of its game.

Roewe 950 at 2012 Beijing motor show

Here's a car that our colleagues on CAR China have been getting excited about: the new Roewe 950. It's a 5-series rival spawned by Roewe and parent company SAIC's links with GM. So what is the Roewe 950 exactly?