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

Audi lights up for the shortest day

AUDI UK has created a stunning series of low-light photos to celebrate its success this year, just in time for the shortest day of the year. The seven photos use a technique called ‘light painting’, where a stationary object in the dark is lit up by a small hand-held light to selectively brighten areas over a long exposure period to eventually create an unusual-looking end result. To the trained eye it looks like Audi has supplemented the photographer’s torch with static lighting to increase the beauty of the end result, but there’s no doubting their success.

Jaguar prices 75th-anniversary XKR

Jaguar is celebrating its 75th anniversary with a limited-edition XKR that will sticker for $104,500, including destination. It's called the 2011 XKR175 Anniversary Coupe, and as the name implies, it's a nod to the brand's landmark birthday. The Jag was shown at the Pebble Beach Concours d'Elegance.

Watch the Audi Sport Quattro tear up the back roads

Audi revealed its 700-hp Sport Quattro concept at the Frankfurt motor show in September; the car pays homage to the classic rallying Sport Quattro from the 1980s. On Monday, the automaker uploaded a video of the upcoming vehicle to celebrate 100,000 Facebook likes on its German social-networking page. The video shows the Quattro whipping and gripping through a forest/mountain stage.