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

Jaguar considers a sedan to rival the 3-series

Jaguar may develop a small sedan to compete with BMW's 3 series--something it tried a decade ago with little success. Adrian Hallmark, Jaguar's new global brand director, says Jaguar is considering a small sports car that could also be offered as a sedan. "We need different models.

Top 5 most important cars at the 2013 Frankfurt motor show

The five most important memorable cars in attendance at the world’s biggest motor show Nothing is as controversial as irritating your core enthusiasts, and the Audi Sport Quattro concept risks doing just that. Its name and styling riff off one of the most iconic cars in Audi’s back catalogue – and in WRC history – yet the new yellow version unveiled at the 2013 Frankfurt motor show has abandoned the five-cylinder engine, manual gearbox, and respectable kerbweight of the 2010 Quattro concept. In its place, we’ve an RS7-based coupe with the power of a Lamborghini Aventador (691bhp), twice the claimed economy of a Golf GTD (113mpg), but only because of a twin-turbo V8 mated to a hefty hybrid powertrain, and that means this new Sport Quattro weighs as much as a Bugatti Veyron Super Sport (1845kg).

One Lap of the Web: falling rocks, falling prices, and a Ford Frontenac?

-- If this isn't the automotive video of the week, then we don't know what is. A car in Taiwan just barely avoids being crushed by a gigantic boulder, whose water and mud bow wave shoves the car a few feet before the boulder even lands anywhere near the car. Watch the top of the hill at the very start of the video.