Full list of all 50 Full Auto achievements worth 1,000 gamerscore. It takes around 25-30 hours to unlock all of the achievements on Xbox 360.
Achieved Rank Level 10 in Xbox Live play
Achieved Rank Level 9 in Xbox Live play
Achieved Rank Level 8 in Xbox Live play
Achieved Live Level 7 in Xbox Live play
Achieved Rank Level 6 in Xbox Live play
Achieved Rank Level 5 in Xbox Live play
Achieved Rank Level 4 in Xbox Live play
Won every Full Auto Medal in Campaigns
Won a Down-and-Back set to Master AI Difficulty
Won a Point-to-Point set to Master AI Difficulty
Finished in 1st place in 100 Races
Won a Circuit set to Master AI Difficulty
Won a Lap Knockout set to Master AI Difficulty
Won every Semi Auto Medal in Campaigns
Survived every event in this series
Survived every event in the Street Races series in Career Mode
Killed 1,000 Opponents
Killed 500 Opponents
Finished in 1st place in 50 Races
Achieved Rank Level 3 in Xbox Live play
Achieved Rank Level 2 in Xbox Live play
Killed 250 Opponents
Killed five Opponents in rapid succession
Finished in 1st place in 25 Races
Killed 100 Opponents
Killed three Opponents in rapid succession
Accumulated 1,000,000 Wreck Points
Accumulated 500,000 Wreck Points
Killed eight Opponents in rapid succession
Finished in 1st place in 10 Races
Finished a Race and won a Full Auto Medal
Achieved Rank Level 1 in Xbox Live play
Accumulated 100,000 Wreck Points
Finished a Race and won a Semi Auto Medal
Accumulated 50,000 Wreck Points
Accumulated 10,000 Wreck Points