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

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).

Lamborghini Murcielago – recall for fire risk

Lamborghini Murcielago on Fire We don’t do the whole ‘Wrecked Exotic’ here on Cars UK. There’s something a bit unedifying about publishing pictures of the misfortunes of others, be they accidents or fires. Seems a bit ghoulish to us, although I’m sure we’d get even more traffic through the site if we did.

Concept Car of the Week: Audi Rosemeyer (2000)

When the Volkswagen group opened Autostadt in June 2000, rumors of a mysterious prototype drew the crowds in the Audi Pavilion. The German brand unveiled an impressive concept that crystallized its latest design philosophy, while also nodding to its glorious racing history. Designed under Peter Schreyer's supervision, the rounded volumes of the Rosemeyer are animated with precise geometric details expressing quality, rationalism and honesty – the foundations of Audi Design.