The finished product crossing the auction block, dubbed “the Sun Valley Commission,” was the culmination of a journey begun ...

This was the first example of the new forced-induction series of Singer's custom Porsche 911 sports cars, and now it can be ...

This Koenig-modified Porsche 930 Road Runner could sell for nearly ... Read: Koenig Ferrari 348 With A 520HP Twin-Turbo V8 ...

Enlarged to 3746cc and featuring twin turbochargers with air-water intercooling, the engine has almost twice the power and torque of the original 1974 930 Turbo ... 500-plus bhp Porsche 911 ...