Polaris Colt 340 Ss Brake Lever Master Cylinder on 2040-parts.com

Mercedes E 63 AMG S: UK price from £83,740

The E63 AMG S is the extreme version of what is already an extreme car in the E63, with a power boost that takes it from 549bhp to 577bhp – and throws in an extra 60lb/ft of torque for good measure too – and promises real extreme performance. The problem is, getting that power down to the road. In left hand drive markets that’s solved by simply offering the Mercedes 4WD option – 4MATIC – which does a much better job of transferring power to the road than the regular RWD layout.

Audi E1 e-tron city concept in Berlin +video

Audi E1 e-Tron in the Potsdamer Platz Did Clive Sinclair get in to bed with Audi? Are the progeny of Fend Flitzer lurking in the bowels of Audi Towers? We ask because the latest Audi e-Tron Concept (the Audi E1, perhaps?) which rolled out of the back of a van in the Potsdamer Platz looks for all the world like the result of a mating between a Messerschmitt and a Sinclair C5.

Nissan Ellure concept

The Ellure is one of the most significant new car concepts to be unveiled at this year's LA auto show. A D-segment-sized sedan, the project has seen input from both Nissan's studios in Japan and NDA, where the concept was completed. According to NDA design chief Alfonso Albaisa, the concept explores a new global design language Nissan is working towards for its range of sedans.