Sony Computer Entertainment just announced that DLC Pack 3, a new Gran Turismo 5 downloadable content, will be available in North America next Tuesday, January 17th. Priced $5.99, Car Pack 3 features six new cars from both past and present: Lamborghini Aventador, Jaguar XJR9, Aston Martin V12 Vantage 2011, VW 1200 1966, Mini Countryman S 2011, and Nissan Leaf. Scheduled for the same day, the Speed Test Course Pack will include an oval track and a performance measurement mode. In addition, a free downloadable update will be released as well. A new trailer is now locally mirrored.