Green Wheels: Audi's S8 is an Expensive, High-Tech Marvel

BEAR MOUNTAIN—My grandfather taught at West Point, so it's fun to be rocketing around these wooded environs in an Audi S8, which is just about the pinnacle of $110,000 sophistication, both in its fuel-sipping V-8 engine (well, 19 mpg combined, which is fuel-sipping for a 520-horsepower car) and its Google-enabled navigation system.

By Jim Motavalli

October 31, 2012