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

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.

Jaguar XJ Supersport Taxi: Nürburgring Nordschleife’s quick posh cab

Jaguar XJ Supersport Nurbrurgring Taxi Jaguar has launched a ‘Taxi’ service at the Nürburgring Nordschleife with an XJ Supersport fitted with Sport & Speed Packs. When most of us think of a Nurburgring Taxi we think of Sabine Schmitz frightening the life out of Munich businessmen with a swift lap of the ‘Ring in an M5. Sadly, Sabine doesn’t play Taxi driver any more and BMW use M3s.

Video: Listen to the Alfa 4C rev then watch it hit the track

We haven't heard many complaints about the new Alfa Romeo 4C. So far, kvetching has been limited to the fact that Alfa won't produce too many of them, that they won't be free, and that there's no manual transmission option. Also, the headlights are weird.