Like a small town during a 10-year-old’s summer vacation, any path in Wheel World can become a racetrack.

Audi A6 Sportback e-tron and its high-performance S6 sibling are here to remind Silicon Valley that Ingolstadt hasn’t been asleep at the wheel. With a jaw-dropping ...

Audi provided flights from Washington, DC, to Santa Barbara, California, and accommodation so Ars could drive the A6 and S6.