The Porsche Expansion Pack Add-on for Forza Motorsport 4 has 10 achievements worth 250 gamerscore.
Win online at the Nürburgring Nordschleife Full track in the 2012 Porsche 911 GT2 RS.
Win online in the 2011 Porsche #45 Flying Lizard 911 GT3-RSR (997).
Complete 5 online circuit races in the 2010 Porsche 911 Sport Classic.
Complete 3 online circuit races in the 2010 Porsche Panamera Turbo.
Earn 30,000CR in the 2008 Porsche #7 Penske Racing RS Spyder Evo.
Complete 3 online circuit races in the 2007 Porsche 911 GT3 RS (997).
Earn 30,000CR in the 2007 Porsche 911 Turbo (997).
Win online in the 2003 Porsche Carrera GT.
Complete 5 online circuit races in the 1982 Porsche 911 Turbo 3.3.
Win online in the 1973 Porsche 911 Carrera RS.