57.4 mpg using US gallons. The EPA cycle is harder, so call it 50 mpg.
Sometimes it seems like BMW of North America thinks that GM is a role model. Here they have in their hands, coming down the production lines, a car that could kill the Prius, be upscale and still drive like "the ultimate driving machine".
Instead they spent money on the X6.
I am in Europe as I write this, and while walking around today I don't think that I could have thrown a rock and not hit a 320d. And I would love to buy one.