Despite being more powerful than its predecessor (the 208 hp 2.7-liter HDi), the new engine boasts a 13-17% improvement in fuel efficiency and a 12-15% reduction in CO2 emissions.

Citroën has announced new details about their advanced 240 hp 3.0-liter HDi V6 diesel engine, which will be introduced in the C5 and C6 this summer.

Despite being more powerful than its predecessor (the 208 hp 2.7-liter HDi), the new engine boasts a 13-17% improvement in fuel efficiency and a 12-15% reduction in CO2 emissions. The Euro V compliant engine also features a piloted alternator which recovers energy during deceleration and braking, a diesel particulate filter system, and Citroën's third generation of common-rail direct injection.

Thanks to all these improvements, the 3.0HDi C5 and C6 are rated at 38 mpg in the combined cycle with CO2 emissions of 195 g/km.

 

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