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Driven: Mazda RX-8

The two most obvious elements of its unusual make-up are its rotary engine and rear-hinged rear doors with integral B-pillars. What became clear during our week with the RX-8 was how these two aspects of its design form the basis of many other unique qualities... Sports coupe and GT coupe The rotary engine of the RX-8 has a very distinct power delivery that is a defining part of the car's character, but it is also a very small lump of metal compared to a similarly powerful conventional reciprocating piston engine, enabling more of the car's overall length to be devoted to cabin space.

Chrysler Sebring

Chrysler has shown pictures of the 2007 Sebring, a mid-sized sedan that will enter production in America later this year. New from the ground up, the dynamic exterior borrows cues from the Crossfire in the front three-quarter, while a part-masked C-pillar helps accentuate the Sebring's arched cab, eschewing the 'chopped' look of the larger 300C. The urbane interior features an IP with a broad panel theme, reminding slightly of the Mercedes-Benz CLS/> It will be available from launch with the option of two V6 engines and, unusually, a new four-cylinder motor that produces 172PS from 2.4 liters.

Renault Twin-Z concept (2013) first official pictures

This is the Renault Twin-Z concept (say it 'Twin-Zee'). Although it packs the usual concept car madness of suicide doors, a pared-back cabin and LEDs everywhere, it actually previews the look – and drivetrain – of the next Renault Twingo. The big news is that it'll be rear-engined, rear-drive, and offer an electric option for less money than the £13k Renault Zoe EV.