Polestar might not be a household name in the States yet, but they build Volvo's C30 touring car racers. Now they've married all-wheel-drive to an overboosted turbo-five in a street-going C30. We drove it, we loved it, we want it.

How do you define fast? AWE Tuning is comfortable with the Old American Standard — the quarter-mile run. And the company's latest GTI project turns out to be a record-breaker at the strip.

In a world where exclusivity is getting harder to buy, the BMW Alpina B7 is a standout. Just don't call it a tuner car.

What do you get when you take European Delivery of an Audi A3, then drive it straight to MTM Tuning in nearby Wettstetten for a little tuning and cosmetic work? A US-legal S3. Almost.

How do you improve on an Audi S4? Ask the guys at MTM and they'll tell you. But the proof is in the driving, which is why we took their new S4 demo car to the Autobahn for a little seat time of our own.