Citroen Releases First Details of New 3.0HDi V6 Diesel Engine

New Citroen C5

Improved mileage, reduced emissions

By Michael Gauthier
June 15, 2009 1:07 PM
Filed Under: Citroen, European

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.

Source: Citroen

Press Release (Click to expand)

FIRST DETAILS – CITROËN’S NEW 3.0HDi V6 DIESEL - MORE POWER, YET BETTER ECONOMY & LESS CO2

Citroën has released first details of an advanced 3.0HDi V6 240hp engine to be introduced to the C5 and C6 ranges later this summer. The unit is the most powerful production engine in the history of the Marque.

It delivers the neat trick of offering more power and improved performance, alongside better fuel economy and lower CO2 emissions. The new engine improves fuel economy by 13-17% and reduces CO2 by 12-15%, compared to the current 2.7HDi V6 208hp unit.

With advanced new engine technology, the new V6 diesel incorporates the third generation of Citroën’s common-rail direct injection system and offers drivers a refined driving experience with its quiet operation and more efficient performance. Delivering an abundance of torque, the new V6 diesel provides exceptional driving pleasure for every-day motoring.

Fuel saving features in the new engine include a piloted alternator, which recovers energy during deceleration and braking. The engine also fully complies with future Euro V standards, ahead of the compulsory introduction to production vehicles in January 2011.

Mated to a six-speed automatic gearbox, the powerful and efficient unit means drivers can now benefit from up to 38mpg on the combined cycle. Highlighting Citroën’s continuing commitment to the environment, not only does this engine come with a Diesel Particulate Filter System (DPFS) for an ultra-clean exhaust, but CO2 emissions are also reduced to 195g/km.

The improved emissions also put both new C5 and C6 V6 diesel models into the lower Tax band J, creating a saving of £325 on cars registered in the 2010/11 RFL period.

Engine	2.7HDi V6 208hp Auto		New 3.0HDi V6 240hp DPFS Auto
Model	C5	C6	C5	C6
Combined Cycle Fuel Economy (mpg)	33.6	32.5	38 (+13%)	38 (+17%)
CO2 (g/km)	223	230	195 (-12%)	195

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Tags: 3.0HDi, Diesel, Engines, Citroen 3.0HDi, Citroen C5, Citroen C6, C5, C6

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Comments

v6s_stink

June 15, 2009 1:25 PM

Too bad that the great European diesel technology is mostly unavailable to consumers in the USA. I guess we can first look forward to spending vast sums of our tax money to bring out electric cars which really are not feasible.

ShinyG

June 15, 2009 3:31 PM

Or you could spend your hard earned cash for a more expensive, higher maintenance cost vehicle. And your government can invest your tax money in building the whole infrastructure needed for making and distributing clean diesel. In short, it's not worth it at this point. The US is doing the right thing in investing in electric vehicles. They are the future so it's better to start investing early in them!

Renegade

June 15, 2009 7:13 PM

Diesels sucks.

Lutzie

June 20, 2009 3:39 PM

Renegade - you've obviously never driven a modern high performance European diesel. Try a tdi VW or HDI Citroen or Peugeot or a MultiJet Fiat or Alfa - not to mention a new BMW or Mercedes diesel. They ROCK!

fujiturbo

June 15, 2009 4:05 PM

I totally agree with ShinyG, Tesla is a great example. Europeans always had diesel vehicles and so did the japanese, So it's nothing too new or innovating apart from improvements. I would support electric power against the rest.

Lutzie

June 20, 2009 3:42 PM

Depends how your electricity is generated (for the plug-ins) - and how you're gonna dispose of all those nasty batteries. Diesels are more efficient on their own and as hybrids.

luispedro

June 15, 2009 5:37 PM

I think the electric power is just a way to get our environmental purpose. Actually, that's not the best one. Hydrogen, which is being developed by BMW and Mercedes in commom, is the best road, because it's really green. Electric power continues to demand fossil energies, even if you can produce some energy from tsun, wind our water, but that's not enough. And, worst, batteries are not easily recicled. I read a study which concludes that a Prius is overall less green than a Hummer!

SebXX

June 15, 2009 6:15 PM

Diesel is still not "clean", even considering its low CO2 emissions... So yes : you should all stay focused on electric/ZE cars. (I'm sick of my stinky TDi)

sub39h

June 15, 2009 6:55 PM

a few points - to luispedro first off i hate the Prius, but that study wasn't really researched properly so it might not be the last word on how economically friendly the Prius is.

in regards to hydrogen being the way forward, i doubt that because hydrogen cars produce water vapour as an exhaust gas, which is also a potent contributor to the greenhouse effect.

but electric cars also rely on fossil fuels. (just where do you think electrictiy comes from?) granted, their efficiency is MUCH higher than even a diesel engine, but the infrastructure needed to e.g. charge your car at work or whatever, doesn't really exist either.

i think in the immediate term diesel really is the way forward, and if they can be mated to hybrid technology (provided it's manufactured cleanly, and the car isn't a pile of cheap nuts and bolts that doesn't handle properly like a Prius) then we might have a better long term solution until an appropriate alternative can be invented.

but for the moment we're boned :).

Edited by user on June 15, 2009 at 6:55 PM

Targa_Florio

June 15, 2009 7:31 PM

Concerning Hydrogen fuel, the main issue is not water vapor (which will anyway phase into liquid very quickly). The problem is the power used to produce H2.

Also concerning electrical energy, not all countries produce electricity from fossil energy (i.e. France use only 9%), however extraction, production and disposal of batteries' materials is surely highly polluting.

9TNine

June 15, 2009 8:02 PM

How about AIR powered cars...? Then we could all be like Fred Flintstone :)

http://www.popularmechanics.com/automotive/new_cars/4217016.html

9TNine

June 15, 2009 8:08 PM

...and this:

http://www.popularmechanics.com/automotive/new_cars/4251491.html?series=19

HEMI426

June 15, 2009 10:05 PM

Citroen has also a 3.0 v6 petrol with 215 hp, this engine need a makeover!

MutantSushi

June 16, 2009 12:57 AM

Exactly what area should they fix?

It already beats it in horsepower (240 vs. 215) and obviously in torque...???

(In any case, the assumption that sedans like this have any need for 'lots of power' is absurd... The people who buy cars like this never remotely drive them to their capacity, though I curse them for driving in the fast lane when they don't know the meaning of the word.)

Edited by user on June 16, 2009 at 1:01 AM

James2911

June 16, 2009 12:43 PM

Isn't this the same engine as that found in Jaguars and Land Rovers?

Lutzie

June 20, 2009 3:45 PM

the 2,7 was - maybe jag and landy will go their own way now they are owned by Tata?

William346

June 16, 2009 1:12 PM

James2911: That was my question too! Somehow everything else on this page seems to diverted to Electric powered cars! What I want to know, like you, is whether or not this engine is the same one in the Jaguar XF and the Land Rover Range Rover Sport (and in other models for that matter). I Can't imagine very many people ordering a 3.0 Diesel Citroen. People with that kind of money could probably buy something classier or else would have more sense. Sadly, I have a soft spot for Citroens (lack of sense) but can't afford this one (lack of money). As for electric cars, while we're on the subject... great idea, loads of torque and can be quick too (See Tesla Roadster). As for hydrogen, yes good idea to generate the power to transfer to the battery in the car, like a petrol station does now. Battery technology has been around for so long and it keeps getting better and better. Batteries are the way forward. How to recyle and dispose of them after we're finished with them sounds like an opportunity to get more people into jobs. Since it is a recession, shouldn't we all be pushing this issue for all its worth, supporting Obama and trying to get our siblings back into jobs. OK, I've ranted enough.

Lutzie

June 20, 2009 3:48 PM

People buy more diesel Citroens than petrol ones because they are cheaper to run and better to drive. Actually the C5 is a pretty classy car - and much more interesting and nicer looking than a dreary Audi.

Kiyoshi

June 26, 2009 5:27 PM

The new V6 diesel engine will give these big Citroens new lease of life,I think. In fact,Citroen has long been lacking in powerful and economical state-of-art 6cylinder engines. This company's previous V6 units for its C5 and C6 executive saloons have below-average engine muscle and mundane passing power,certainly. Such plebeian engine characteristics have prevented their large sedans from taking on the likes of Audi,BMW,and Mercedes-Benz. For example,the XU94S V6 gasoline unit of 2946cc displacement has only 215bhp,so it gives barely fair performance to the Citroen C6 sedan which weighs 1820kg(about 4000pound). The V6 gasoline engine takes long straight line and considerable time to wind C6 sedan up to her maximum speed(about 250km/h if well run-in example,well above manufacturer data of 230km/h.). Along with it,both in gasoline and diesel guises,Citroen's current V6 units give woolly 0-60mph acceleration times of middle 9secs in C6 and around 9sec flat in C5,almost as fast as the VW Golf 1.4TSI with 140bhp! These never exciting performance data and rather lethargic feeling of power units have made Citroen C5 and C6 series little more than quirky niches for those who love eccentricity,frankly speaking. But such doldrum will become all history! Namely the new V6 diesel engine with 240hp makes large Citroen sedans queens of Autoroute,and its massive and punchy torque characteristics exhilarate C5 and C6 sedans' artistic and classy inside/out. So the revised Citroen C5 and C6 sedans will grow to be no-nonsense alternatives for somewhat antiseptic Audis and BMWs,I believe. Let's shout "Vive la France!"

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