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

Concept Car of the Week: Saab 9X (2001)

With a glorious heritage, a strong and understated design philosophy combined with a focus on technology and innovation, it is sad to have witnessed how GM's questionable management led to Saab being completely wiped off the map in just a decade. The vision of what this iconic brand could have been still haunts many car enthusiasts around the globe. The 9X concept is, along with the AeroX, one the most exciting concepts produced by the Swedish manufacturer.

Toyota iQ concept

By Tim Pollard Motor Shows 11 September 2007 02:53 Toyota iQ: the lowdown The Japanese scored one of the very few surprises of the Frankfurt show this year, with the titchy iQ concept car that previews Toyota’s new sub-Aygo city car. It’s one of our favourite cars at the show, bristling with intelligent new thinking and design flourishes to make small cars interesting again. And the best news is that Toyota has committed to building a production version, probably due in European showrooms by 2009.

Nissan at the LA Auto Show: Sentra Nismo Concept, Juke RS

Nissan is all about Nismo, that sweet, sweet, NIssan MOtorsports NISMO. Case in point: the GTR Nismo that was at Tokyo. But on a smaller scale, the Nissan Juke Nismo gets some more letters, and it's the return of the fun-to-drive Sentra.