We ride in the 2016 Mercedes-Benz E-Class saloon.

Can a new diesel engine lift the mid-size Jeep's game to allow it to compete with Audi, BMW and Land Rover?

A 1.0-litre petrol engine provides a real diesel alternative in the new Opel Astra.

Style meets performance in the new Renaultsport Mégane GT.

The new Renault Mégane hatch majors on space, style and refinement.

Not quite as practical as you'd hope, but the C-Max's cabin quality is much improved and it's as good as ever to drive.