Lycoming Coupling 40d22382 on 2040-parts.com

Concept Car of the Week: Citroën C-Metisse (2006)

Citroen was on a roll back in 2006, in terms of its production cars such as the C4 and C6, but most notably in advanced design. The previous 'C-' range of concepts that started in 2002 with the C-Airdream, swiftly followed by the C-Airlounge and C-Sportlounge. But there's a feeling that the this fourth car in the series was the one that showed the PSA design team at its flamboyant best.

MPG or performance: It's a trade with turbos

Some automakers say turbochargers offer high fuel economy and quick acceleration, the best of both worlds. Well, yes and no. Turbocharged vehicles allow automakers to keep power output high while they downsize engines for better fuel economy.

Range Rover (2011): first pictures, new V8

Land Rover might only have revised the Range Rover last summer, but there’s now a new version, complete with a bigger and better 4.4-litre TDV8, plus it's available as a limited-run Autobiography Black special edition to celebrate the car’s 40th birthday. For a start the engine has grown from 3.6 to 4.4-litres, but still retains the twin sequential turbochargers. That means 309bhp (up from 267bhp), while the torque figures climbs from 472lb ft to 516lb ft.