I think what xjguy means is a Hemi I-6. In other words a I-6 that uses hemispherically shaped combustion chambers. Also I don't think the urea filter wouldn't be so bad if it only had to be filled ever 3000-5000 miles or whenever you had the oil changed.

I think they are waiting on the switch to ultra low sulfer diesel here in the US. This will allow the use of emissions control equipment (like what is featured in the Bluetech concept) that will allow the Diesel Jeeps to be sold in all 50 states. I believe that ULSD is suppose to be on sale by september next year. I would expect that we will begin to see a lot more cool Diesels here in the US after that.

I love the idea of diesel engines. Unfortunately, the price of diesel fuel is 10% higher than gasoline.

Recovering the extra cost a Bluetec Grand Cherokee will command over a Hemi Grand Cherokee will be near impossible during a 3-5 year owner cycle.

Also, the new ULSD will most likely cost even more than the current formulation, making it even harder to justify the extra cost of a diesel engine.

Yes the price of diesel is currently more. However, the 3.2L Bluetec has a combined fuel economy of about 30mpg.

The 3.2L diesel (although not equipped with the Bluetec technology) was tested in a real world, cross-country test in the Mercedes M-Class. It had an average fuel economy of 32mpg (better than the Lexus RXh).

Compare roughly 30mpg of real world mileage to the Hemi's EPA-estimated 16mpg and you see that the cost of the diesel quickly drop. Diesel would have to cost nearly 45% more than gasoline for the Bluetec to be more expensive when it comes to fuel.

The base price may more than other GC's but over four or five years you still are going to be cheaper with the diesel. Not to mention, you are depending less on foreign oil fields (as the Bluetecs are capable of running on biodiesel).