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

Aston Martin V12 Zagato (2012): the production car

Aston Martin has today unveiled the new V12 Zagato in final, showroom spec. Previously, we'd seen the Zagato as a racer at the 2011 Villa d'Este concours and at the 24-hour Nurburgring race last summer. But this is what will go on sale in the fourth quarter of 2012, costing a stout £330,000 plus local taxes.

Concept Car of the Week: Renault Altica (2006)

Back in 2006 Renault was still well into its design-leadership stride, if perhaps not for much longer. The Altica concept, shown at that year's Geneva motor show, showcased all the French brand had to offer at that time – a brilliantly brave, architectural interior, a style that could only be associated with its country of origin and an interior that thoroughly questioned and readdressed layout, control and format. It also served to preview the renaissance of the Shooting Brake that the industry is still experiencing.

UK sales slide continues: 'worst market for 17 years'

By Tim Pollard Motor Industry 06 October 2008 12:22 Britain's new car market is in deep trouble, official sales figures today confirm. September is historically one of the two biggest registration months of the year, as buyers rush to snap up the autumn's new number plate – yet sales were down by a fifth last month. The Society of Motor Manufacturers and Traders, which collates sales data from dealers, called it 'stormy September', as new-car registrations plummeted by 21 percent from last year's figure to 330,295.