Full list of all 58 Forza Motorsport 4 achievements worth 1,250 gamerscore. It takes around 150-200 hours to unlock all of the achievements in the base game.
The base game contains 48 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 10 achievements worth 250 Gamerscore.
Level 50 in Career
Complete the tenth year of Season Play.
Complete the ninth year of Season Play.
Complete the eighth year of Season Play.
Complete the seventh year of Season Play.
Earn a perfect Drift score.
Share a car in your garage with your Car Club.
Finish a race on every race track in Forza Motorsport 4.
Level 40 in Career
Post a time in every Rivals mode event.
Beat a Ferrari 330 P4 in any race while driving a Ford GT40 Mark II.
Complete 10 Autocross events without hitting gate cones.
Create or join a Car Club.
Complete the sixth year of Season Play.
Level 30 in Career
Reach 88 mph in a DeLorean.
Reach 240 mph in any car.
Own the five most expensive cars in the game (not including DLC).
Own every Ferrari included on Disc 1.
Complete the fifth year of Season Play.
Visit the Message Center on at least five unique days.
Level 20 in Career
Upload a movie to Forzamotorsport.net.
Complete the fourth year of Season Play.
Create a car tuning file for your car.
Race and defeat an opponent in Rivals mode.
Complete a lap around the TopGear Test Track while driving a KIA cee'd.
Take a photo of any car in every Home Space.
Earn a perfect Speed score.
Complete the third year of Season Play.
Fully explore any car in Autovista.
Level 10 in Career
Create a paint job or vinyl group for your car.
Complete the second year of Season Play.
Earn a perfect Drafting score.
Complete the first year of Season Play.
Earn a perfect Pass score.
Knock down a gold bowling pin in Car Bowling.
Level 1 in Career
Create a custom playercard with badges and titles.
Earn a perfect Turn score.
Import a file from Forza Motorsport 3.
Be the winning bidder on any "unicorn" car in the Auction House.
Complete the very first race in the game.
Finish 1st in every single race in the Event List in Career play mode.
Sell a car tuning, paint job, or vinyl group from your storefront.
Use Kinect to drive any car in Free Play.
Get any Car Manufacturer to Affinity level 50.
Earn 30,000CR in the 2008 Porsche #7 Penske Racing RS Spyder Evo.
Win online in the 2011 Porsche #45 Flying Lizard 911 GT3-RSR (997).
Win online in the 2003 Porsche Carrera GT.
Complete 5 online circuit races in the 1982 Porsche 911 Turbo 3.3.
Complete 3 online circuit races in the 2007 Porsche 911 GT3 RS (997).
Complete 5 online circuit races in the 2010 Porsche 911 Sport Classic.
Complete 3 online circuit races in the 2010 Porsche Panamera Turbo.
Win online at the Nürburgring Nordschleife Full track in the 2012 Porsche 911 GT2 RS.
Earn 30,000CR in the 2007 Porsche 911 Turbo (997).
Win online in the 1973 Porsche 911 Carrera RS.