How to get a Bugatti Veyron or Truffade Adder in GTA 5 or Grand Theft Auto V. The Truffade Adder is worth over 1 Million Dollars in GTA V and this video will show you how to get if for free. You will first need to head to Rockford Hills on the map. Here the Truffade Adder (Bugatti Veyron) will randomly spawn on one of the parking spots along this street. However if it does not spawn there leave and come back and more than likely it will be there. The Adder is matched at the top as one of the Fastest cars in GTA V boasting an 8 litre engine and with over 1000 horse power.