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

Ariel Atom 3.5 (2012) first official pictures

It's difficult for Ariel to come up with a mid-life refresh for its cars - there simply aren't that many bits to fiddle with in the first place. Still, the boys from Somerset must have succeeded, because what we have here is the freshly updated Ariel Atom 3.5. As the name suggests, it's a development of the Ariel Atom 3, with a crop of minor visual  tweaks and some mechanical changes too, keeping Caterham and BAC looking over their shoulders.

Aston Martin DB4GT Zagato Sanction II Coupé up for grabs at Bonhams sale

Aston Martin DB4GT Zagato Sanction II The Aston Martin sale at Newport Pagnell in May has one of the four Aston Martin DB4 GT Zagato Sanction II Coupés ever built up for sale. The Ferrari 250 GTO may have shown the Aston Martin DB4 GT Zagato a clean pair of heels on track and gone on to be perhaps the most expensive car on the planet. But the truth is the Aston Martin is far more beautiful.

New Nissan Micra DIG-S (2011): Prices & Models

Nissan Micra DIG-S - UK Details released It was only February when the Nissan Micra DIG-S was revealed but Nissan are now ready to let UK motorists loose in their City Car and have sent us price and model details. What we find particulary appealing about the three-pot supercharged Micra DIG-S is that it seems to offer a perfect alternative to the diesel City Car – and with much lower NOx and particulate emissions – but without the penalties in fuel economy normally associated with petrol-engined cars. Not only does it offer economy that compares favourably with a diesel-engined car of a similar size, it suffers no performance penalty either.