Walk the Red Carpet inside our velvet ropes through the front door, you are Celebrity VIP! View Extreme cars. Uncompromising quality. Precision service. Silicon Auto Group of Austin, Texas invites you to experience the passion, history, and prestige of the finest super cars in the world. Our sales teams are passionate about the cars they sell and the customers they serve. Visit our online inventory of Ferrari, Lamborghini, and Bugatti models.