What Changed:

An all-new 3.8L boxer engine powers the 2010 911 Turbo.

Official Word:

Porsche has traditionally put great emphasis on the efficiency of its cars, but the new flagship 911 will give a whole new meaning to its high performance label: while its acceleration, braking and handling capabilities make it a true super sports car, it will go about its business with a thriftiness that is equally remarkable and by no means the norm in its class. Combining technological innovations with clear-cut refinement for an even greater dynamic driving...Read.