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

Nissan upgrades the Versa engine to add mpg

The redesigned Versa sedan that reaches Nissan showrooms later this summer will post a 30 city/38 highway mpg rating, up from the current model's 28/34 rating. The Versa still has a 1.6-liter four-cylinder engine, but the 2012 model gets a dual-fuel injector system, the first U.S. application of the Nissan technology.

Driven: Nissan Juke

Nowhere is the fragmentation of established market segments more evident than when thumbing through Nissan's current brochures. The new Nissan Juke, the smallest and most extreme member of Nissan's crossover range, is pitched as an 'urban proof' alternative to more conventional superminis. We took it to the streets to see how Nissan's scattershot small car strategy – which sees a range of four models occupying a similar space physically and fiscally – plays out.

Citroen C5 – Model range & new engines

Citroen has added two new engines and tweaked the C5 range The Citroen C5 is a better car than you’d think. It manages to differentiate itself from the German competition – mainly with its different driving dynamics. With its hydroactive suspension it is comfortable in a way no German saloon ever could be, without giving away too much in the handling stakes.