
It looks like someone is finally threatening Toyota's hybrid mileage supremacy. Well, that is, unless you count the Honda Insight...which no one seems to.
VW has gone ahead and approved its Jetta diesel hybrid concept, hoping to turn the car into a legitimate Prius competitor. The car will likely be roomier and zippier than the Prius, both advantages coming from its use of diesel instead of gasoline.
Diesel, which contains more energy per gallon and also produces less CO2, can improve mileage significantly on its own. Adding a hybrid component to the car really moves up mileage numbers. Unfortunately, diesels require advanced and expensive engines to keep pollutant emissions low. VW already charges $2,000 extra for its diesel models. Add onto that the cost of regenerative braking and a hybrid drive train and suddenly this car is looking out of range.
While the Prius manages to come in at a reasonable $25,000, it's likely that the Golf TDI is going to break $30k while being the sort of car people are used to paying a lot less for. Of course, there are no real numbers on price yet, but AutoBlogGreen has speculated that this high price is going to keep the cars confined to Europe, where emissions standards are higher and people are used to paying for diesels, at least for the first few years of the TDI hybrid's life.
Via AutoBlogGreen

written by Dave, March 13, 2008
written by odograph, March 13, 2008
written by Andrew, March 13, 2008
written by Dave, March 13, 2008
written by Schmeltz, March 13, 2008
VW diesel-hybrid:
(15000 miles/year)/(69 mpg)= 220 gal of diesel/year
(220 gal.year)x(3.25/gal.) = $715.00 /year
Toyota Prius:
(15000 miles/year)/(45 mpg)= 340 gal of gas/year
(340 gal.year)x(3.25/gal.) = $1105.00 /year
The above assumes gas and diesel to be roughly the same price. There will clearly be a savings improvement over the already good numbers of the Prius, therefore softening the added hit to the checkbook you will take when you sign on the dotted line. VW will also have bragging rights as the new green kid on the block with the highest fuel economy. I would encourage VW to bring this vehicle to the U.S. and just give it a try...What would it hurt? What's the worst that could happen? Yes, it could fail, (remember the Phaeton?), but I doubt it. I think this car best fits people who are willing to keep their "investment" for the long term--essentially until the wheels fall off. For the 3 year and 5 year traders out there, a car like this probably isn't so much for you.
Just some thoughts.
written by GreenKristine, March 13, 2008
I guess you are not looking for a rocket if you like this one but the point is, hybrid may not be the only answer here.
written by PM, March 13, 2008
written by PM, March 13, 2008
written by iDevin, March 13, 2008
I think this is a great effort on VW's part and it's a step in the right direction but I don't see this being a success in the US, if it ever makes it over here.
written by Ben Clark, March 13, 2008
Another note on these VW diesels they have a catalytic converter like thing on them now that, along with the ultra-low sulfur diesel in all US pumps will make these baby's a lot cleaner than your 83 diesel Rabbit.
written by dude, March 13, 2008
written by Virgil, March 14, 2008
Wrong in assuming diesel and gas cost the same. Regular gas was $3.31 in upstate NY this morning, and diesel was $4.13. That just about wipes out any MPG advantage.
Of course, part of that price premium is because the refining capacity for diesel is lower here than in Europe. If the refiners kicked it up a notch, things might even out a bit. Still though, I don't see this VW as a viable option, except for those who have a pathological aversion to driving a pruis.
written by nadja, March 15, 2008
written by Harry, March 16, 2008
I read that VW was coming out with a 3 cylinder "POLO" ( I think that was its name) which was like a Golf but just more efficient.
the VW polo is a much smaller car than the golf. not as small as a Smart ForTwo, but quite small. Hence the better mileage
written by chris, March 17, 2008
Also, with a diesel engine you have the option of using waste oil which is free if you can connect with local food retailers.
It is time for toyota to take it to the next level, because they will be challenged, and i'm tired of looking at the prius.
written by Mike, July 11, 2008
Even old-school VW diesels get better mileage hands-down than a Prius: that is not debatable. But the VWs do not have hundreds of pounds of batteries that have criss-crossed the globe going from China to Germany to the US in the process of being made.
I'll take a bio-diesel fueled TDI any day, and the environment will thank me for it.
written by Wein, March 03, 2009
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Diesel contains more Carbon atoms per gallon and therefore puts more CO2 into the atmosphere per gallon than gasoline.