The new Mercedes C-Class will come with a 2.1-liter turbo-diesel engine, and Mercedes is already promising that the new engine will have somewhere between 20 percent and 30 percent improved fuel economy that. The new GLK250 BlueTec crossover will also be equipped with the 2.1-liter engine and will most likely replace the 3.0-liter V6 diesel engine option available now for the E-Class.

Right now, there are no other diesel options currently in the compact luxury segment. BMW premiered the 328d at the New York Auto Show, but the 328d won’t be available until later this year. Audi has also hinted that they will be adding diesel models as well, but it isn’t confirmed yet. With these announcements, however, it is clear that there will be many more diesel options for compact luxury auto buyers in the next few years.

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